21734025

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1471}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 36140544

約数和(自身を除く): 14406519

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 1471, 2955, 4413, 4925, 7355, 14775, 22065, 36775, 110325, 289787, 869361, 1448935, 4346805, 7244675, 21734025]

約数ペア:

[(1, 21734025), (3, 7244675), (5, 4346805), (15, 1448935), (25, 869361), (75, 289787), (197, 110325), (591, 36775), (985, 22065), (1471, 14775), (2955, 7355), (4413, 4925)]