21898526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 37702560

約数和(自身を除く): 15804034

約数列:

[1, 2, 13, 19, 26, 38, 97, 194, 247, 457, 494, 914, 1261, 1843, 2522, 3686, 5941, 8683, 11882, 17366, 23959, 44329, 47918, 88658, 112879, 225758, 576277, 842251, 1152554, 1684502, 10949263, 21898526]

約数ペア:

[(1, 21898526), (2, 10949263), (13, 1684502), (19, 1152554), (26, 842251), (38, 576277), (97, 225758), (194, 112879), (247, 88658), (457, 47918), (494, 44329), (914, 23959), (1261, 17366), (1843, 11882), (2522, 8683), (3686, 5941)]