21237794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9323}}^1$

素因数の和:9409

約数の個数: 16

約数和(自身を含む): 34237728

約数和(自身を除く): 12999934

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9323, 18646, 158491, 316982, 624641, 1249282, 10618897, 21237794]

約数ペア:

[(1, 21237794), (2, 10618897), (17, 1249282), (34, 624641), (67, 316982), (134, 158491), (1139, 18646), (2278, 9323)]