21307974

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1051}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 44436480

約数和(自身を除く): 23128506

約数列:

[1, 2, 3, 6, 31, 62, 93, 109, 186, 218, 327, 654, 1051, 2102, 3153, 3379, 6306, 6758, 10137, 20274, 32581, 65162, 97743, 114559, 195486, 229118, 343677, 687354, 3551329, 7102658, 10653987, 21307974]

約数ペア:

[(1, 21307974), (2, 10653987), (3, 7102658), (6, 3551329), (31, 687354), (62, 343677), (93, 229118), (109, 195486), (186, 114559), (218, 97743), (327, 65162), (654, 32581), (1051, 20274), (2102, 10137), (3153, 6758), (3379, 6306)]