21302544

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10321}}^1$

素因数の和:10375

約数の個数: 40

約数和(自身を含む): 56316832

約数和(自身を除く): 35014288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10321, 20642, 30963, 41284, 61926, 82568, 123852, 165136, 247704, 443803, 495408, 887606, 1331409, 1775212, 2662818, 3550424, 5325636, 7100848, 10651272, 21302544]

約数ペア:

[(1, 21302544), (2, 10651272), (3, 7100848), (4, 5325636), (6, 3550424), (8, 2662818), (12, 1775212), (16, 1331409), (24, 887606), (43, 495408), (48, 443803), (86, 247704), (129, 165136), (172, 123852), (258, 82568), (344, 61926), (516, 41284), (688, 30963), (1032, 20642), (2064, 10321)]