21604425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15193

約数の個数: 24

約数和(自身を含む): 37601760

約数和(自身を除く): 15997335

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15161, 45483, 75805, 227415, 288059, 379025, 864177, 1137075, 1440295, 4320885, 7201475, 21604425]

約数ペア:

[(1, 21604425), (3, 7201475), (5, 4320885), (15, 1440295), (19, 1137075), (25, 864177), (57, 379025), (75, 288059), (95, 227415), (285, 75805), (475, 45483), (1425, 15161)]