21152408

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33469}}^1$

素因数の和:33554

約数の個数: 16

約数和(自身を含む): 40164000

約数和(自身を除く): 19011592

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33469, 66938, 133876, 267752, 2644051, 5288102, 10576204, 21152408]

約数ペア:

[(1, 21152408), (2, 10576204), (4, 5288102), (8, 2644051), (79, 267752), (158, 133876), (316, 66938), (632, 33469)]