21849126

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 51770880

約数和(自身を除く): 29921754

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 641, 741, 874, 897, 1282, 1311, 1482, 1794, 1923, 2622, 3846, 5681, 8333, 11362, 12179, 14743, 16666, 17043, 24358, 24999, 29486, 34086, 36537, 44229, 49998, 73074, 88458, 158327, 191659, 280117, 316654, 383318, 474981, 560234, 574977, 840351, 949962, 1149954, 1680702, 3641521, 7283042, 10924563, 21849126]

約数ペア:

[(1, 21849126), (2, 10924563), (3, 7283042), (6, 3641521), (13, 1680702), (19, 1149954), (23, 949962), (26, 840351), (38, 574977), (39, 560234), (46, 474981), (57, 383318), (69, 316654), (78, 280117), (114, 191659), (138, 158327), (247, 88458), (299, 73074), (437, 49998), (494, 44229), (598, 36537), (641, 34086), (741, 29486), (874, 24999), (897, 24358), (1282, 17043), (1311, 16666), (1482, 14743), (1794, 12179), (1923, 11362), (2622, 8333), (3846, 5681)]