21650025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15193}}^1$

素因数の和:15225

約数の個数: 24

約数和(自身を含む): 37681120

約数和(自身を除く): 16031095

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15193, 45579, 75965, 227895, 288667, 379825, 866001, 1139475, 1443335, 4330005, 7216675, 21650025]

約数ペア:

[(1, 21650025), (3, 7216675), (5, 4330005), (15, 1443335), (19, 1139475), (25, 866001), (57, 379825), (75, 288667), (95, 227895), (285, 75965), (475, 45579), (1425, 15193)]