21373310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 45652896

約数和(自身を除く): 24279586

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 823, 1646, 1855, 2597, 3710, 4115, 5194, 5761, 8230, 11522, 12985, 25970, 28805, 40327, 43619, 57610, 80654, 87238, 201635, 218095, 305333, 403270, 436190, 610666, 1526665, 2137331, 3053330, 4274662, 10686655, 21373310]

約数ペア:

[(1, 21373310), (2, 10686655), (5, 4274662), (7, 3053330), (10, 2137331), (14, 1526665), (35, 610666), (49, 436190), (53, 403270), (70, 305333), (98, 218095), (106, 201635), (245, 87238), (265, 80654), (371, 57610), (490, 43619), (530, 40327), (742, 28805), (823, 25970), (1646, 12985), (1855, 11522), (2597, 8230), (3710, 5761), (4115, 5194)]