21497790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1871}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 51757056

約数和(自身を除く): 30259266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 383, 766, 1149, 1871, 1915, 2298, 3742, 3830, 5613, 5745, 9355, 11226, 11490, 18710, 28065, 56130, 716593, 1433186, 2149779, 3582965, 4299558, 7165930, 10748895, 21497790]

約数ペア:

[(1, 21497790), (2, 10748895), (3, 7165930), (5, 4299558), (6, 3582965), (10, 2149779), (15, 1433186), (30, 716593), (383, 56130), (766, 28065), (1149, 18710), (1871, 11490), (1915, 11226), (2298, 9355), (3742, 5745), (3830, 5613)]