21905572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8963}}^1$

素因数の和:9027

約数の個数: 24

約数和(自身を含む): 42166656

約数和(自身を除く): 20261084

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8963, 17926, 35852, 116519, 233038, 421261, 466076, 842522, 1685044, 5476393, 10952786, 21905572]

約数ペア:

[(1, 21905572), (2, 10952786), (4, 5476393), (13, 1685044), (26, 842522), (47, 466076), (52, 421261), (94, 233038), (188, 116519), (611, 35852), (1222, 17926), (2444, 8963)]