21867917

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 24245760

約数和(自身を除く): 2377843

約数列:

[1, 19, 23, 163, 307, 437, 3097, 3749, 5833, 7061, 50041, 71231, 134159, 950779, 1150943, 21867917]

約数ペア:

[(1, 21867917), (19, 1150943), (23, 950779), (163, 134159), (307, 71231), (437, 50041), (3097, 7061), (3749, 5833)]