21597056

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12979}}^1$

素因数の和:13006

約数の個数: 32

約数和(自身を含む): 46338600

約数和(自身を除く): 24741544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12979, 25958, 51916, 103832, 168727, 207664, 337454, 415328, 674908, 830656, 1349816, 1661312, 2699632, 5399264, 10798528, 21597056]

約数ペア:

[(1, 21597056), (2, 10798528), (4, 5399264), (8, 2699632), (13, 1661312), (16, 1349816), (26, 830656), (32, 674908), (52, 415328), (64, 337454), (104, 207664), (128, 168727), (208, 103832), (416, 51916), (832, 25958), (1664, 12979)]