21334980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4871}}^1$

素因数の和:4956

約数の個数: 48

約数和(自身を含む): 60568704

約数和(自身を除く): 39233724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4871, 9742, 14613, 19484, 24355, 29226, 48710, 58452, 73065, 97420, 146130, 292260, 355583, 711166, 1066749, 1422332, 1777915, 2133498, 3555830, 4266996, 5333745, 7111660, 10667490, 21334980]

約数ペア:

[(1, 21334980), (2, 10667490), (3, 7111660), (4, 5333745), (5, 4266996), (6, 3555830), (10, 2133498), (12, 1777915), (15, 1422332), (20, 1066749), (30, 711166), (60, 355583), (73, 292260), (146, 146130), (219, 97420), (292, 73065), (365, 58452), (438, 48710), (730, 29226), (876, 24355), (1095, 19484), (1460, 14613), (2190, 9742), (4380, 4871)]