21097408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19391}}^1$

素因数の和:19420

約数の個数: 28

約数和(自身を含む): 44330112

約数和(自身を除く): 23232704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19391, 38782, 77564, 155128, 310256, 329647, 620512, 659294, 1241024, 1318588, 2637176, 5274352, 10548704, 21097408]

約数ペア:

[(1, 21097408), (2, 10548704), (4, 5274352), (8, 2637176), (16, 1318588), (17, 1241024), (32, 659294), (34, 620512), (64, 329647), (68, 310256), (136, 155128), (272, 77564), (544, 38782), (1088, 19391)]