21568132

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 38878560

約数和(自身を除く): 17310428

約数列:

[1, 2, 4, 41, 82, 164, 347, 379, 694, 758, 1388, 1516, 14227, 15539, 28454, 31078, 56908, 62156, 131513, 263026, 526052, 5392033, 10784066, 21568132]

約数ペア:

[(1, 21568132), (2, 10784066), (4, 5392033), (41, 526052), (82, 263026), (164, 131513), (347, 62156), (379, 56908), (694, 31078), (758, 28454), (1388, 15539), (1516, 14227)]