21564472

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 41400000

約数和(自身を除く): 19835528

約数列:

[1, 2, 4, 8, 79, 149, 158, 229, 298, 316, 458, 596, 632, 916, 1192, 1832, 11771, 18091, 23542, 34121, 36182, 47084, 68242, 72364, 94168, 136484, 144728, 272968, 2695559, 5391118, 10782236, 21564472]

約数ペア:

[(1, 21564472), (2, 10782236), (4, 5391118), (8, 2695559), (79, 272968), (149, 144728), (158, 136484), (229, 94168), (298, 72364), (316, 68242), (458, 47084), (596, 36182), (632, 34121), (916, 23542), (1192, 18091), (1832, 11771)]