21050472

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5381}}^1$

素因数の和:5553

約数の個数: 32

約数和(自身を含む): 52958880

約数和(自身を除く): 31908408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5381, 10762, 16143, 21524, 32286, 43048, 64572, 129144, 877103, 1754206, 2631309, 3508412, 5262618, 7016824, 10525236, 21050472]

約数ペア:

[(1, 21050472), (2, 10525236), (3, 7016824), (4, 5262618), (6, 3508412), (8, 2631309), (12, 1754206), (24, 877103), (163, 129144), (326, 64572), (489, 43048), (652, 32286), (978, 21524), (1304, 16143), (1956, 10762), (3912, 5381)]