21509061505

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1\times {\mathrm{88919}}^1$

素因数の和:89504

約数の個数: 16

約数和(自身を含む): 26121139200

約数和(自身を除く): 4612077695

約数列:

[1, 5, 101, 479, 505, 2395, 48379, 88919, 241895, 444595, 8980819, 42592201, 44904095, 212961005, 4301812301, 21509061505]

約数ペア:

[(1, 21509061505), (5, 4301812301), (101, 212961005), (479, 44904095), (505, 42592201), (2395, 8980819), (48379, 444595), (88919, 241895)]