21605696

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1663}}^1$

素因数の和:1711

約数の個数: 56

約数和(自身を含む): 50718720

約数和(自身を除く): 29113024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1624, 1663, 1856, 3248, 3326, 6496, 6652, 11641, 12992, 13304, 23282, 26608, 46564, 48227, 53216, 93128, 96454, 106432, 186256, 192908, 337589, 372512, 385816, 675178, 745024, 771632, 1350356, 1543264, 2700712, 3086528, 5401424, 10802848, 21605696]

約数ペア:

[(1, 21605696), (2, 10802848), (4, 5401424), (7, 3086528), (8, 2700712), (14, 1543264), (16, 1350356), (28, 771632), (29, 745024), (32, 675178), (56, 385816), (58, 372512), (64, 337589), (112, 192908), (116, 186256), (203, 106432), (224, 96454), (232, 93128), (406, 53216), (448, 48227), (464, 46564), (812, 26608), (928, 23282), (1624, 13304), (1663, 12992), (1856, 11641), (3248, 6652), (3326, 6496)]