21090909848

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{983}}^1\times {\mathrm{14983}}^1$

素因数の和:16151

約数の個数: 32

約数和(自身を含む): 39809491200

約数和(自身を除く): 18718581352

約数列:

[1, 2, 4, 8, 179, 358, 716, 983, 1432, 1966, 3932, 7864, 14983, 29966, 59932, 119864, 175957, 351914, 703828, 1407656, 2681957, 5363914, 10727828, 14728289, 21455656, 29456578, 58913156, 117826312, 2636363731, 5272727462, 10545454924, 21090909848]

約数ペア:

[(1, 21090909848), (2, 10545454924), (4, 5272727462), (8, 2636363731), (179, 117826312), (358, 58913156), (716, 29456578), (983, 21455656), (1432, 14728289), (1966, 10727828), (3932, 5363914), (7864, 2681957), (14983, 1407656), (29966, 703828), (59932, 351914), (119864, 175957)]