21724125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3086

約数の個数: 32

約数和(自身を含む): 38064000

約数和(自身を除く): 16339875

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 3049, 7125, 9147, 15245, 45735, 57931, 76225, 173793, 228675, 289655, 381125, 868965, 1143375, 1448275, 4344825, 7241375, 21724125]

約数ペア:

[(1, 21724125), (3, 7241375), (5, 4344825), (15, 1448275), (19, 1143375), (25, 868965), (57, 381125), (75, 289655), (95, 228675), (125, 173793), (285, 76225), (375, 57931), (475, 45735), (1425, 15245), (2375, 9147), (3049, 7125)]