21920925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22483}}^1$

素因数の和:22509

約数の個数: 24

約数和(自身を含む): 39032224

約数和(自身を除く): 17111299

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22483, 67449, 112415, 292279, 337245, 562075, 876837, 1461395, 1686225, 4384185, 7306975, 21920925]

約数ペア:

[(1, 21920925), (3, 7306975), (5, 4384185), (13, 1686225), (15, 1461395), (25, 876837), (39, 562075), (65, 337245), (75, 292279), (195, 112415), (325, 67449), (975, 22483)]