21035204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{276779}}^1$

素因数の和:276802

約数の個数: 12

約数和(自身を含む): 38749200

約数和(自身を除く): 17713996

約数列:

[1, 2, 4, 19, 38, 76, 276779, 553558, 1107116, 5258801, 10517602, 21035204]

約数ペア:

[(1, 21035204), (2, 10517602), (4, 5258801), (19, 1107116), (38, 553558), (76, 276779)]