21785928

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5569}}^1$

素因数の和:5741

約数の個数: 32

約数和(自身を含む): 54808800

約数和(自身を除く): 33022872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5569, 11138, 16707, 22276, 33414, 44552, 66828, 133656, 907747, 1815494, 2723241, 3630988, 5446482, 7261976, 10892964, 21785928]

約数ペア:

[(1, 21785928), (2, 10892964), (3, 7261976), (4, 5446482), (6, 3630988), (8, 2723241), (12, 1815494), (24, 907747), (163, 133656), (326, 66828), (489, 44552), (652, 33414), (978, 22276), (1304, 16707), (1956, 11138), (3912, 5569)]