21753760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19423}}^1$

素因数の和:19445

約数の個数: 48

約数和(自身を含む): 58738176

約数和(自身を除く): 36984416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19423, 38846, 77692, 97115, 135961, 155384, 194230, 271922, 310768, 388460, 543844, 621536, 679805, 776920, 1087688, 1359610, 1553840, 2175376, 2719220, 3107680, 4350752, 5438440, 10876880, 21753760]

約数ペア:

[(1, 21753760), (2, 10876880), (4, 5438440), (5, 4350752), (7, 3107680), (8, 2719220), (10, 2175376), (14, 1553840), (16, 1359610), (20, 1087688), (28, 776920), (32, 679805), (35, 621536), (40, 543844), (56, 388460), (70, 310768), (80, 271922), (112, 194230), (140, 155384), (160, 135961), (224, 97115), (280, 77692), (560, 38846), (1120, 19423)]