21492276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137771}}^1$

素因数の和:137791

約数の個数: 24

約数和(自身を含む): 54006624

約数和(自身を除く): 32514348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137771, 275542, 413313, 551084, 826626, 1653252, 1791023, 3582046, 5373069, 7164092, 10746138, 21492276]

約数ペア:

[(1, 21492276), (2, 10746138), (3, 7164092), (4, 5373069), (6, 3582046), (12, 1791023), (13, 1653252), (26, 826626), (39, 551084), (52, 413313), (78, 275542), (156, 137771)]