21651450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 36201990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 71, 75, 95, 107, 114, 142, 150, 190, 213, 214, 285, 321, 355, 426, 475, 535, 570, 642, 710, 950, 1065, 1070, 1349, 1425, 1605, 1775, 2033, 2130, 2675, 2698, 2850, 3210, 3550, 4047, 4066, 5325, 5350, 6099, 6745, 7597, 8025, 8094, 10165, 10650, 12198, 13490, 15194, 16050, 20235, 20330, 22791, 30495, 33725, 37985, 40470, 45582, 50825, 60990, 67450, 75970, 101175, 101650, 113955, 144343, 152475, 189925, 202350, 227910, 288686, 304950, 379850, 433029, 569775, 721715, 866058, 1139550, 1443430, 2165145, 3608575, 4330290, 7217150, 10825725, 21651450]

約数ペア:

[(1, 21651450), (2, 10825725), (3, 7217150), (5, 4330290), (6, 3608575), (10, 2165145), (15, 1443430), (19, 1139550), (25, 866058), (30, 721715), (38, 569775), (50, 433029), (57, 379850), (71, 304950), (75, 288686), (95, 227910), (107, 202350), (114, 189925), (142, 152475), (150, 144343), (190, 113955), (213, 101650), (214, 101175), (285, 75970), (321, 67450), (355, 60990), (426, 50825), (475, 45582), (535, 40470), (570, 37985), (642, 33725), (710, 30495), (950, 22791), (1065, 20330), (1070, 20235), (1349, 16050), (1425, 15194), (1605, 13490), (1775, 12198), (2033, 10650), (2130, 10165), (2675, 8094), (2698, 8025), (2850, 7597), (3210, 6745), (3550, 6099), (4047, 5350), (4066, 5325)]