21089244790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{108089}}^1$

素因数の和:108384

約数の個数: 32

約数和(自身を含む): 38523276000

約数和(自身を除く): 17434031210

約数列:

[1, 2, 5, 10, 109, 179, 218, 358, 545, 895, 1090, 1790, 19511, 39022, 97555, 108089, 195110, 216178, 540445, 1080890, 11781701, 19347931, 23563402, 38695862, 58908505, 96739655, 117817010, 193479310, 2108924479, 4217848958, 10544622395, 21089244790]

約数ペア:

[(1, 21089244790), (2, 10544622395), (5, 4217848958), (10, 2108924479), (109, 193479310), (179, 117817010), (218, 96739655), (358, 58908505), (545, 38695862), (895, 23563402), (1090, 19347931), (1790, 11781701), (19511, 1080890), (39022, 540445), (97555, 216178), (108089, 195110)]