21237828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{104107}}^1$

素因数の和:104131

約数の個数: 24

約数和(自身を含む): 52470432

約数和(自身を除く): 31232604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 104107, 208214, 312321, 416428, 624642, 1249284, 1769819, 3539638, 5309457, 7079276, 10618914, 21237828]

約数ペア:

[(1, 21237828), (2, 10618914), (3, 7079276), (4, 5309457), (6, 3539638), (12, 1769819), (17, 1249284), (34, 624642), (51, 416428), (68, 312321), (102, 208214), (204, 104107)]