2100784210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{22247}}^1$

素因数の和:22351

約数の個数: 64

約数和(自身を含む): 4613345280

約数和(自身を除く): 2512561070

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 71, 95, 133, 142, 190, 266, 355, 497, 665, 710, 994, 1330, 1349, 2485, 2698, 4970, 6745, 9443, 13490, 18886, 22247, 44494, 47215, 94430, 111235, 155729, 222470, 311458, 422693, 778645, 845386, 1557290, 1579537, 2113465, 2958851, 3159074, 4226930, 5917702, 7897685, 11056759, 14794255, 15795370, 22113518, 29588510, 30011203, 55283795, 60022406, 110567590, 150056015, 210078421, 300112030, 420156842, 1050392105, 2100784210]

約数ペア:

[(1, 2100784210), (2, 1050392105), (5, 420156842), (7, 300112030), (10, 210078421), (14, 150056015), (19, 110567590), (35, 60022406), (38, 55283795), (70, 30011203), (71, 29588510), (95, 22113518), (133, 15795370), (142, 14794255), (190, 11056759), (266, 7897685), (355, 5917702), (497, 4226930), (665, 3159074), (710, 2958851), (994, 2113465), (1330, 1579537), (1349, 1557290), (2485, 845386), (2698, 778645), (4970, 422693), (6745, 311458), (9443, 222470), (13490, 155729), (18886, 111235), (22247, 94430), (44494, 47215)]