21014728570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{29207}}^1$

素因数の和:29467

約数の個数: 64

約数和(自身を含む): 42799767552

約数和(自身を除く): 21785038982

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 211, 310, 341, 422, 682, 1055, 1705, 2110, 2321, 3410, 4642, 6541, 11605, 13082, 23210, 29207, 32705, 58414, 65410, 71951, 143902, 146035, 292070, 321277, 359755, 642554, 719510, 905417, 1606385, 1810834, 3212770, 4527085, 6162677, 9054170, 9959587, 12325354, 19919174, 30813385, 49797935, 61626770, 67789447, 99595870, 135578894, 191042987, 338947235, 382085974, 677894470, 955214935, 1910429870, 2101472857, 4202945714, 10507364285, 21014728570]

約数ペア:

[(1, 21014728570), (2, 10507364285), (5, 4202945714), (10, 2101472857), (11, 1910429870), (22, 955214935), (31, 677894470), (55, 382085974), (62, 338947235), (110, 191042987), (155, 135578894), (211, 99595870), (310, 67789447), (341, 61626770), (422, 49797935), (682, 30813385), (1055, 19919174), (1705, 12325354), (2110, 9959587), (2321, 9054170), (3410, 6162677), (4642, 4527085), (6541, 3212770), (11605, 1810834), (13082, 1606385), (23210, 905417), (29207, 719510), (32705, 642554), (58414, 359755), (65410, 321277), (71951, 292070), (143902, 146035)]