21062025

素因数分解:

$3^5\times 5^2\times {\mathrm{3467}}^1$

素因数の和:3492

約数の個数: 36

約数和(自身を含む): 39132912

約数和(自身を除く): 18070887

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3467, 6075, 10401, 17335, 31203, 52005, 86675, 93609, 156015, 260025, 280827, 468045, 780075, 842481, 1404135, 2340225, 4212405, 7020675, 21062025]

約数ペア:

[(1, 21062025), (3, 7020675), (5, 4212405), (9, 2340225), (15, 1404135), (25, 842481), (27, 780075), (45, 468045), (75, 280827), (81, 260025), (135, 156015), (225, 93609), (243, 86675), (405, 52005), (675, 31203), (1215, 17335), (2025, 10401), (3467, 6075)]