21247648

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21419}}^1$

素因数の和:21460

約数の個数: 24

約数和(自身を含む): 43182720

約数和(自身を除く): 21935072

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21419, 42838, 85676, 171352, 342704, 663989, 685408, 1327978, 2655956, 5311912, 10623824, 21247648]

約数ペア:

[(1, 21247648), (2, 10623824), (4, 5311912), (8, 2655956), (16, 1327978), (31, 685408), (32, 663989), (62, 342704), (124, 171352), (248, 85676), (496, 42838), (992, 21419)]