21246816

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5203

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 35834208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5147, 10294, 15441, 20588, 30882, 41176, 61764, 82352, 123528, 164704, 221321, 247056, 442642, 494112, 663963, 885284, 1327926, 1770568, 2655852, 3541136, 5311704, 7082272, 10623408, 21246816]

約数ペア:

[(1, 21246816), (2, 10623408), (3, 7082272), (4, 5311704), (6, 3541136), (8, 2655852), (12, 1770568), (16, 1327926), (24, 885284), (32, 663963), (43, 494112), (48, 442642), (86, 247056), (96, 221321), (129, 164704), (172, 123528), (258, 82352), (344, 61764), (516, 41176), (688, 30882), (1032, 20588), (1376, 15441), (2064, 10294), (4128, 5147)]