21141752

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 41249280

約数和(自身を除く): 20107528

約数列:

[1, 2, 4, 8, 31, 62, 124, 163, 248, 326, 523, 652, 1046, 1304, 2092, 4184, 5053, 10106, 16213, 20212, 32426, 40424, 64852, 85249, 129704, 170498, 340996, 681992, 2642719, 5285438, 10570876, 21141752]

約数ペア:

[(1, 21141752), (2, 10570876), (4, 5285438), (8, 2642719), (31, 681992), (62, 340996), (124, 170498), (163, 129704), (248, 85249), (326, 64852), (523, 40424), (652, 32426), (1046, 20212), (1304, 16213), (2092, 10106), (4184, 5053)]