21829660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15373}}^1$

素因数の和:15453

約数の個数: 24

約数和(自身を含む): 46490976

約数和(自身を除く): 24661316

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15373, 30746, 61492, 76865, 153730, 307460, 1091483, 2182966, 4365932, 5457415, 10914830, 21829660]

約数ペア:

[(1, 21829660), (2, 10914830), (4, 5457415), (5, 4365932), (10, 2182966), (20, 1091483), (71, 307460), (142, 153730), (284, 76865), (355, 61492), (710, 30746), (1420, 15373)]