21452236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6763}}^1$

素因数の和:6841

約数の個数: 24

約数和(自身を含む): 41098064

約数和(自身を除く): 19645828

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6763, 13526, 27052, 87919, 175838, 351676, 412543, 825086, 1650172, 5363059, 10726118, 21452236]

約数ペア:

[(1, 21452236), (2, 10726118), (4, 5363059), (13, 1650172), (26, 825086), (52, 412543), (61, 351676), (122, 175838), (244, 87919), (793, 27052), (1586, 13526), (3172, 6763)]