21945225

素因数分解:

$3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1289}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 36470880

約数和(自身を除く): 14525655

約数列:

[1, 3, 5, 15, 25, 75, 227, 681, 1135, 1289, 3405, 3867, 5675, 6445, 17025, 19335, 32225, 96675, 292603, 877809, 1463015, 4389045, 7315075, 21945225]

約数ペア:

[(1, 21945225), (3, 7315075), (5, 4389045), (15, 1463015), (25, 877809), (75, 292603), (227, 96675), (681, 32225), (1135, 19335), (1289, 17025), (3405, 6445), (3867, 5675)]