21561244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4241}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 39908736

約数和(自身を除く): 18347492

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4241, 5084, 8482, 16964, 131471, 173881, 262942, 347762, 525884, 695524, 5390311, 10780622, 21561244]

約数ペア:

[(1, 21561244), (2, 10780622), (4, 5390311), (31, 695524), (41, 525884), (62, 347762), (82, 262942), (124, 173881), (164, 131471), (1271, 16964), (2542, 8482), (4241, 5084)]