21439064

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 41534640

約数和(自身を除く): 20095576

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 401, 652, 802, 1304, 1604, 3208, 6683, 13366, 16441, 26732, 32882, 53464, 65363, 65764, 130726, 131528, 261452, 522904, 2679883, 5359766, 10719532, 21439064]

約数ペア:

[(1, 21439064), (2, 10719532), (4, 5359766), (8, 2679883), (41, 522904), (82, 261452), (163, 131528), (164, 130726), (326, 65764), (328, 65363), (401, 53464), (652, 32882), (802, 26732), (1304, 16441), (1604, 13366), (3208, 6683)]