21470692

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 16752668

約数列:

[1, 2, 4, 157, 179, 191, 314, 358, 382, 628, 716, 764, 28103, 29987, 34189, 56206, 59974, 68378, 112412, 119948, 136756, 5367673, 10735346, 21470692]

約数ペア:

[(1, 21470692), (2, 10735346), (4, 5367673), (157, 136756), (179, 119948), (191, 112412), (314, 68378), (358, 59974), (382, 56206), (628, 34189), (716, 29987), (764, 28103)]