21440178

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25343}}^1$

素因数の和:25398

約数の個数: 24

約数和(自身を含む): 47443968

約数和(自身を除く): 26003790

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25343, 50686, 76029, 152058, 228087, 456174, 1191121, 2382242, 3573363, 7146726, 10720089, 21440178]

約数ペア:

[(1, 21440178), (2, 10720089), (3, 7146726), (6, 3573363), (9, 2382242), (18, 1191121), (47, 456174), (94, 228087), (141, 152058), (282, 76029), (423, 50686), (846, 25343)]