21536506

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4397}}^1$

素因数の和:4509

約数の個数: 16

約数和(自身を含む): 33776640

約数和(自身を除く): 12240134

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4397, 4898, 8794, 136307, 272614, 347363, 694726, 10768253, 21536506]

約数ペア:

[(1, 21536506), (2, 10768253), (31, 694726), (62, 347363), (79, 272614), (158, 136307), (2449, 8794), (4397, 4898)]