21318076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21577}}^1$

素因数の和:21613

約数の個数: 24

約数和(自身を含む): 42292880

約数和(自身を除く): 20974804

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21577, 43154, 86308, 280501, 409963, 561002, 819926, 1122004, 1639852, 5329519, 10659038, 21318076]

約数ペア:

[(1, 21318076), (2, 10659038), (4, 5329519), (13, 1639852), (19, 1122004), (26, 819926), (38, 561002), (52, 409963), (76, 280501), (247, 86308), (494, 43154), (988, 21577)]