21629790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 51752610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 139, 171, 182, 190, 195, 210, 234, 247, 266, 273, 278, 285, 315, 342, 390, 399, 417, 455, 494, 546, 570, 585, 630, 665, 695, 741, 798, 819, 834, 855, 910, 973, 1170, 1197, 1235, 1251, 1330, 1365, 1390, 1482, 1638, 1710, 1729, 1807, 1946, 1995, 2085, 2223, 2394, 2470, 2502, 2641, 2730, 2919, 3458, 3614, 3705, 3990, 4095, 4170, 4446, 4865, 5187, 5282, 5421, 5838, 5985, 6255, 7410, 7923, 8190, 8645, 8757, 9035, 9730, 10374, 10842, 11115, 11970, 12510, 12649, 13205, 14595, 15561, 15846, 16263, 17290, 17514, 18070, 18487, 22230, 23769, 25298, 25935, 26410, 27105, 29190, 31122, 32526, 34333, 36974, 37947, 39615, 43785, 47538, 51870, 54210, 55461, 63245, 68666, 75894, 77805, 79230, 81315, 87570, 92435, 102999, 110922, 113841, 118845, 126490, 155610, 162630, 166383, 171665, 184870, 189735, 205998, 227682, 237690, 240331, 277305, 308997, 332766, 343330, 379470, 480662, 514995, 554610, 569205, 617994, 720993, 831915, 1029990, 1138410, 1201655, 1441986, 1544985, 1663830, 2162979, 2403310, 3089970, 3604965, 4325958, 7209930, 10814895, 21629790]

約数ペア:

[(1, 21629790), (2, 10814895), (3, 7209930), (5, 4325958), (6, 3604965), (7, 3089970), (9, 2403310), (10, 2162979), (13, 1663830), (14, 1544985), (15, 1441986), (18, 1201655), (19, 1138410), (21, 1029990), (26, 831915), (30, 720993), (35, 617994), (38, 569205), (39, 554610), (42, 514995), (45, 480662), (57, 379470), (63, 343330), (65, 332766), (70, 308997), (78, 277305), (90, 240331), (91, 237690), (95, 227682), (105, 205998), (114, 189735), (117, 184870), (126, 171665), (130, 166383), (133, 162630), (139, 155610), (171, 126490), (182, 118845), (190, 113841), (195, 110922), (210, 102999), (234, 92435), (247, 87570), (266, 81315), (273, 79230), (278, 77805), (285, 75894), (315, 68666), (342, 63245), (390, 55461), (399, 54210), (417, 51870), (455, 47538), (494, 43785), (546, 39615), (570, 37947), (585, 36974), (630, 34333), (665, 32526), (695, 31122), (741, 29190), (798, 27105), (819, 26410), (834, 25935), (855, 25298), (910, 23769), (973, 22230), (1170, 18487), (1197, 18070), (1235, 17514), (1251, 17290), (1330, 16263), (1365, 15846), (1390, 15561), (1482, 14595), (1638, 13205), (1710, 12649), (1729, 12510), (1807, 11970), (1946, 11115), (1995, 10842), (2085, 10374), (2223, 9730), (2394, 9035), (2470, 8757), (2502, 8645), (2641, 8190), (2730, 7923), (2919, 7410), (3458, 6255), (3614, 5985), (3705, 5838), (3990, 5421), (4095, 5282), (4170, 5187), (4446, 4865)]