21247282

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11411}}^1$

素因数の和:11446

約数の個数: 24

約数和(自身を含む): 39029040

約数和(自身を除く): 17781758

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11411, 22822, 79877, 159754, 216809, 433618, 559139, 1118278, 1517663, 3035326, 10623641, 21247282]

約数ペア:

[(1, 21247282), (2, 10623641), (7, 3035326), (14, 1517663), (19, 1118278), (38, 559139), (49, 433618), (98, 216809), (133, 159754), (266, 79877), (931, 22822), (1862, 11411)]