21008350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38197}}^1$

素因数の和:38220

約数の個数: 24

約数和(自身を含む): 42628968

約数和(自身を除く): 21620618

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38197, 76394, 190985, 381970, 420167, 840334, 954925, 1909850, 2100835, 4201670, 10504175, 21008350]

約数ペア:

[(1, 21008350), (2, 10504175), (5, 4201670), (10, 2100835), (11, 1909850), (22, 954925), (25, 840334), (50, 420167), (55, 381970), (110, 190985), (275, 76394), (550, 38197)]