21045871262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137359}}^1$

素因数の和:137528

約数の個数: 32

約数和(自身を含む): 34891637760

約数和(自身を除く): 13845766498

約数列:

[1, 2, 13, 26, 71, 83, 142, 166, 923, 1079, 1846, 2158, 5893, 11786, 76609, 137359, 153218, 274718, 1785667, 3571334, 9752489, 11400797, 19504978, 22801594, 126782357, 148210361, 253564714, 296420722, 809456587, 1618913174, 10522935631, 21045871262]

約数ペア:

[(1, 21045871262), (2, 10522935631), (13, 1618913174), (26, 809456587), (71, 296420722), (83, 253564714), (142, 148210361), (166, 126782357), (923, 22801594), (1079, 19504978), (1846, 11400797), (2158, 9752489), (5893, 3571334), (11786, 1785667), (76609, 274718), (137359, 153218)]