21350368

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3019}}^1$

素因数の和:3059

約数の個数: 48

約数和(自身を含む): 47945520

約数和(自身を除く): 26595152

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3019, 3536, 6038, 7072, 12076, 24152, 39247, 48304, 51323, 78494, 96608, 102646, 156988, 205292, 313976, 410584, 627952, 667199, 821168, 1255904, 1334398, 1642336, 2668796, 5337592, 10675184, 21350368]

約数ペア:

[(1, 21350368), (2, 10675184), (4, 5337592), (8, 2668796), (13, 1642336), (16, 1334398), (17, 1255904), (26, 821168), (32, 667199), (34, 627952), (52, 410584), (68, 313976), (104, 205292), (136, 156988), (208, 102646), (221, 96608), (272, 78494), (416, 51323), (442, 48304), (544, 39247), (884, 24152), (1768, 12076), (3019, 7072), (3536, 6038)]