21347658

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7459}}^1$

素因数の和:7523

約数の個数: 32

約数和(自身を含む): 48340800

約数和(自身を除く): 26993142

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7459, 14918, 22377, 44754, 67131, 134262, 201393, 395327, 402786, 790654, 1185981, 2371962, 3557943, 7115886, 10673829, 21347658]

約数ペア:

[(1, 21347658), (2, 10673829), (3, 7115886), (6, 3557943), (9, 2371962), (18, 1185981), (27, 790654), (53, 402786), (54, 395327), (106, 201393), (159, 134262), (318, 67131), (477, 44754), (954, 22377), (1431, 14918), (2862, 7459)]