21582216

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7026

約数の個数: 48

約数和(自身を含む): 59819760

約数和(自身を除く): 38237544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6971, 13942, 20913, 27884, 41826, 55768, 62739, 83652, 125478, 167304, 250956, 299753, 501912, 599506, 899259, 1199012, 1798518, 2398024, 2697777, 3597036, 5395554, 7194072, 10791108, 21582216]

約数ペア:

[(1, 21582216), (2, 10791108), (3, 7194072), (4, 5395554), (6, 3597036), (8, 2697777), (9, 2398024), (12, 1798518), (18, 1199012), (24, 899259), (36, 599506), (43, 501912), (72, 299753), (86, 250956), (129, 167304), (172, 125478), (258, 83652), (344, 62739), (387, 55768), (516, 41826), (774, 27884), (1032, 20913), (1548, 13942), (3096, 6971)]