21372438

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9157}}^1$

素因数の和:9551

約数の個数: 16

約数和(自身を含む): 42859440

約数和(自身を除く): 21487002

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9157, 18314, 27471, 54942, 3562073, 7124146, 10686219, 21372438]

約数ペア:

[(1, 21372438), (2, 10686219), (3, 7124146), (6, 3562073), (389, 54942), (778, 27471), (1167, 18314), (2334, 9157)]