21096270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 63376560

約数和(自身を除く): 42280290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 73, 78, 90, 95, 114, 117, 130, 146, 169, 171, 190, 195, 219, 234, 247, 285, 338, 342, 365, 390, 438, 494, 507, 570, 585, 657, 730, 741, 845, 855, 949, 1014, 1095, 1170, 1235, 1314, 1387, 1482, 1521, 1690, 1710, 1898, 2190, 2223, 2470, 2535, 2774, 2847, 3042, 3211, 3285, 3705, 4161, 4446, 4745, 5070, 5694, 6422, 6570, 6935, 7410, 7605, 8322, 8541, 9490, 9633, 11115, 12337, 12483, 13870, 14235, 15210, 16055, 17082, 18031, 19266, 20805, 22230, 24674, 24966, 28470, 28899, 32110, 36062, 37011, 41610, 42705, 48165, 54093, 57798, 61685, 62415, 74022, 85410, 90155, 96330, 108186, 111033, 123370, 124830, 144495, 162279, 180310, 185055, 222066, 234403, 270465, 288990, 324558, 370110, 468806, 540930, 555165, 703209, 811395, 1110330, 1172015, 1406418, 1622790, 2109627, 2344030, 3516045, 4219254, 7032090, 10548135, 21096270]

約数ペア:

[(1, 21096270), (2, 10548135), (3, 7032090), (5, 4219254), (6, 3516045), (9, 2344030), (10, 2109627), (13, 1622790), (15, 1406418), (18, 1172015), (19, 1110330), (26, 811395), (30, 703209), (38, 555165), (39, 540930), (45, 468806), (57, 370110), (65, 324558), (73, 288990), (78, 270465), (90, 234403), (95, 222066), (114, 185055), (117, 180310), (130, 162279), (146, 144495), (169, 124830), (171, 123370), (190, 111033), (195, 108186), (219, 96330), (234, 90155), (247, 85410), (285, 74022), (338, 62415), (342, 61685), (365, 57798), (390, 54093), (438, 48165), (494, 42705), (507, 41610), (570, 37011), (585, 36062), (657, 32110), (730, 28899), (741, 28470), (845, 24966), (855, 24674), (949, 22230), (1014, 20805), (1095, 19266), (1170, 18031), (1235, 17082), (1314, 16055), (1387, 15210), (1482, 14235), (1521, 13870), (1690, 12483), (1710, 12337), (1898, 11115), (2190, 9633), (2223, 9490), (2470, 8541), (2535, 8322), (2774, 7605), (2847, 7410), (3042, 6935), (3211, 6570), (3285, 6422), (3705, 5694), (4161, 5070), (4446, 4745)]