21941010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 256

約数和(自身を含む): 77414400

約数和(自身を除く): 55473390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 27, 30, 35, 38, 39, 42, 45, 47, 54, 57, 63, 65, 70, 78, 90, 91, 94, 95, 105, 114, 117, 126, 130, 133, 135, 141, 171, 182, 189, 190, 195, 210, 234, 235, 247, 266, 270, 273, 282, 285, 315, 329, 342, 351, 378, 390, 399, 423, 455, 470, 494, 513, 546, 570, 585, 611, 630, 658, 665, 702, 705, 741, 798, 819, 846, 855, 893, 910, 945, 987, 1026, 1170, 1197, 1222, 1235, 1269, 1330, 1365, 1410, 1482, 1638, 1645, 1710, 1729, 1755, 1786, 1833, 1890, 1974, 1995, 2115, 2223, 2394, 2457, 2470, 2538, 2565, 2679, 2730, 2961, 3055, 3290, 3458, 3510, 3591, 3666, 3705, 3990, 4095, 4230, 4277, 4446, 4465, 4914, 4935, 5130, 5187, 5358, 5499, 5922, 5985, 6110, 6251, 6345, 6669, 7182, 7410, 8037, 8190, 8554, 8645, 8883, 8930, 9165, 9870, 10374, 10998, 11115, 11609, 11970, 12285, 12502, 12690, 12831, 13338, 13395, 14805, 15561, 16074, 16497, 17290, 17766, 17955, 18330, 18753, 21385, 22230, 23218, 24111, 24570, 25662, 25935, 26790, 27495, 29610, 31122, 31255, 32994, 33345, 34827, 35910, 37506, 38493, 40185, 42770, 44415, 46683, 48222, 51870, 54990, 56259, 58045, 62510, 64155, 66690, 69654, 76986, 77805, 80370, 81263, 82485, 88830, 93366, 93765, 104481, 112518, 115479, 116090, 120555, 128310, 155610, 162526, 164970, 168777, 174135, 187530, 192465, 208962, 230958, 233415, 241110, 243789, 281295, 313443, 337554, 348270, 384930, 406315, 466830, 487578, 522405, 562590, 577395, 626886, 731367, 812630, 843885, 1044810, 1154790, 1218945, 1462734, 1567215, 1687770, 2194101, 2437890, 3134430, 3656835, 4388202, 7313670, 10970505, 21941010]

約数ペア:

[(1, 21941010), (2, 10970505), (3, 7313670), (5, 4388202), (6, 3656835), (7, 3134430), (9, 2437890), (10, 2194101), (13, 1687770), (14, 1567215), (15, 1462734), (18, 1218945), (19, 1154790), (21, 1044810), (26, 843885), (27, 812630), (30, 731367), (35, 626886), (38, 577395), (39, 562590), (42, 522405), (45, 487578), (47, 466830), (54, 406315), (57, 384930), (63, 348270), (65, 337554), (70, 313443), (78, 281295), (90, 243789), (91, 241110), (94, 233415), (95, 230958), (105, 208962), (114, 192465), (117, 187530), (126, 174135), (130, 168777), (133, 164970), (135, 162526), (141, 155610), (171, 128310), (182, 120555), (189, 116090), (190, 115479), (195, 112518), (210, 104481), (234, 93765), (235, 93366), (247, 88830), (266, 82485), (270, 81263), (273, 80370), (282, 77805), (285, 76986), (315, 69654), (329, 66690), (342, 64155), (351, 62510), (378, 58045), (390, 56259), (399, 54990), (423, 51870), (455, 48222), (470, 46683), (494, 44415), (513, 42770), (546, 40185), (570, 38493), (585, 37506), (611, 35910), (630, 34827), (658, 33345), (665, 32994), (702, 31255), (705, 31122), (741, 29610), (798, 27495), (819, 26790), (846, 25935), (855, 25662), (893, 24570), (910, 24111), (945, 23218), (987, 22230), (1026, 21385), (1170, 18753), (1197, 18330), (1222, 17955), (1235, 17766), (1269, 17290), (1330, 16497), (1365, 16074), (1410, 15561), (1482, 14805), (1638, 13395), (1645, 13338), (1710, 12831), (1729, 12690), (1755, 12502), (1786, 12285), (1833, 11970), (1890, 11609), (1974, 11115), (1995, 10998), (2115, 10374), (2223, 9870), (2394, 9165), (2457, 8930), (2470, 8883), (2538, 8645), (2565, 8554), (2679, 8190), (2730, 8037), (2961, 7410), (3055, 7182), (3290, 6669), (3458, 6345), (3510, 6251), (3591, 6110), (3666, 5985), (3705, 5922), (3990, 5499), (4095, 5358), (4230, 5187), (4277, 5130), (4446, 4935), (4465, 4914)]