21177840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88241}}^1$

素因数の和:88257

約数の個数: 40

約数和(自身を含む): 65652048

約数和(自身を除く): 44474208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88241, 176482, 264723, 352964, 441205, 529446, 705928, 882410, 1058892, 1323615, 1411856, 1764820, 2117784, 2647230, 3529640, 4235568, 5294460, 7059280, 10588920, 21177840]

約数ペア:

[(1, 21177840), (2, 10588920), (3, 7059280), (4, 5294460), (5, 4235568), (6, 3529640), (8, 2647230), (10, 2117784), (12, 1764820), (15, 1411856), (16, 1323615), (20, 1058892), (24, 882410), (30, 705928), (40, 529446), (48, 441205), (60, 352964), (80, 264723), (120, 176482), (240, 88241)]