21354768

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3617}}^1$

素因数の和:3672

約数の個数: 60

約数和(自身を含む): 61238268

約数和(自身を除く): 39883500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3617, 5904, 7234, 10851, 14468, 21702, 28936, 32553, 43404, 57872, 65106, 86808, 130212, 148297, 173616, 260424, 296594, 444891, 520848, 593188, 889782, 1186376, 1334673, 1779564, 2372752, 2669346, 3559128, 5338692, 7118256, 10677384, 21354768]

約数ペア:

[(1, 21354768), (2, 10677384), (3, 7118256), (4, 5338692), (6, 3559128), (8, 2669346), (9, 2372752), (12, 1779564), (16, 1334673), (18, 1186376), (24, 889782), (36, 593188), (41, 520848), (48, 444891), (72, 296594), (82, 260424), (123, 173616), (144, 148297), (164, 130212), (246, 86808), (328, 65106), (369, 57872), (492, 43404), (656, 32553), (738, 28936), (984, 21702), (1476, 14468), (1968, 10851), (2952, 7234), (3617, 5904)]