21390582508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{12503}}^1\times {\mathrm{22511}}^1$

素因数の和:35037

約数の個数: 24

約数和(自身を含む): 39408606720

約数和(自身を除く): 18018024212

約数列:

[1, 2, 4, 19, 38, 76, 12503, 22511, 25006, 45022, 50012, 90044, 237557, 427709, 475114, 855418, 950228, 1710836, 281455033, 562910066, 1125820132, 5347645627, 10695291254, 21390582508]

約数ペア:

[(1, 21390582508), (2, 10695291254), (4, 5347645627), (19, 1125820132), (38, 562910066), (76, 281455033), (12503, 1710836), (22511, 950228), (25006, 855418), (45022, 475114), (50012, 427709), (90044, 237557)]