21998149088

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{1234187}}^1$

素因数の和:1234754

約数の個数: 24

約数和(自身を含む): 43386644952

約数和(自身を除く): 21388495864

約数列:

[1, 2, 4, 8, 16, 32, 557, 1114, 2228, 4456, 8912, 17824, 1234187, 2468374, 4936748, 9873496, 19746992, 39493984, 687442159, 1374884318, 2749768636, 5499537272, 10999074544, 21998149088]

約数ペア:

[(1, 21998149088), (2, 10999074544), (4, 5499537272), (8, 2749768636), (16, 1374884318), (32, 687442159), (557, 39493984), (1114, 19746992), (2228, 9873496), (4456, 4936748), (8912, 2468374), (17824, 1234187)]