21391710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{937}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 51462432

約数和(自身を除く): 30070722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 761, 937, 1522, 1874, 2283, 2811, 3805, 4566, 4685, 5622, 7610, 9370, 11415, 14055, 22830, 28110, 713057, 1426114, 2139171, 3565285, 4278342, 7130570, 10695855, 21391710]

約数ペア:

[(1, 21391710), (2, 10695855), (3, 7130570), (5, 4278342), (6, 3565285), (10, 2139171), (15, 1426114), (30, 713057), (761, 28110), (937, 22830), (1522, 14055), (1874, 11415), (2283, 9370), (2811, 7610), (3805, 5622), (4566, 4685)]