21347451

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 32292000

約数和(自身を除く): 10944549

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 919, 2581, 2757, 7743, 8271, 23229, 26651, 79953, 81791, 239859, 245373, 736119, 2371939, 7115817, 21347451]

約数ペア:

[(1, 21347451), (3, 7115817), (9, 2371939), (29, 736119), (87, 245373), (89, 239859), (261, 81791), (267, 79953), (801, 26651), (919, 23229), (2581, 8271), (2757, 7743)]