21799880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18793}}^1$

素因数の和:18833

約数の個数: 32

約数和(自身を含む): 50743800

約数和(自身を除く): 28943920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 18793, 37586, 75172, 93965, 150344, 187930, 375860, 544997, 751720, 1089994, 2179988, 2724985, 4359976, 5449970, 10899940, 21799880]

約数ペア:

[(1, 21799880), (2, 10899940), (4, 5449970), (5, 4359976), (8, 2724985), (10, 2179988), (20, 1089994), (29, 751720), (40, 544997), (58, 375860), (116, 187930), (145, 150344), (232, 93965), (290, 75172), (580, 37586), (1160, 18793)]