21050528

素因数分解:

$2^5\times {\mathrm{397}}^1\times {\mathrm{1657}}^1$

素因数の和:2064

約数の個数: 24

約数和(自身を含む): 41572692

約数和(自身を除く): 20522164

約数列:

[1, 2, 4, 8, 16, 32, 397, 794, 1588, 1657, 3176, 3314, 6352, 6628, 12704, 13256, 26512, 53024, 657829, 1315658, 2631316, 5262632, 10525264, 21050528]

約数ペア:

[(1, 21050528), (2, 10525264), (4, 5262632), (8, 2631316), (16, 1315658), (32, 657829), (397, 53024), (794, 26512), (1588, 13256), (1657, 12704), (3176, 6628), (3314, 6352)]