21290922780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1155859}}^1$

素因数の和:1156178

約数の個数: 48

約数和(自身を含む): 59808819840

約数和(自身を除く): 38517897060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1842, 3070, 3684, 4605, 6140, 9210, 18420, 1155859, 2311718, 3467577, 4623436, 5779295, 6935154, 11558590, 13870308, 17337885, 23117180, 34675770, 69351540, 354848713, 709697426, 1064546139, 1419394852, 1774243565, 2129092278, 3548487130, 4258184556, 5322730695, 7096974260, 10645461390, 21290922780]

約数ペア:

[(1, 21290922780), (2, 10645461390), (3, 7096974260), (4, 5322730695), (5, 4258184556), (6, 3548487130), (10, 2129092278), (12, 1774243565), (15, 1419394852), (20, 1064546139), (30, 709697426), (60, 354848713), (307, 69351540), (614, 34675770), (921, 23117180), (1228, 17337885), (1535, 13870308), (1842, 11558590), (3070, 6935154), (3684, 5779295), (4605, 4623436), (6140, 3467577), (9210, 2311718), (18420, 1155859)]