21966040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32303}}^1$

素因数の和:32331

約数の個数: 32

約数和(自身を含む): 52332480

約数和(自身を除く): 30366440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32303, 64606, 129212, 161515, 258424, 323030, 549151, 646060, 1098302, 1292120, 2196604, 2745755, 4393208, 5491510, 10983020, 21966040]

約数ペア:

[(1, 21966040), (2, 10983020), (4, 5491510), (5, 4393208), (8, 2745755), (10, 2196604), (17, 1292120), (20, 1098302), (34, 646060), (40, 549151), (68, 323030), (85, 258424), (136, 161515), (170, 129212), (340, 64606), (680, 32303)]