21000906375

素因数分解:

$3^1\times 5^3\times {\mathrm{3109}}^1\times {\mathrm{18013}}^1$

素因数の和:21140

約数の個数: 32

約数和(自身を含む): 34958688960

約数和(自身を除く): 13957782585

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 3109, 9327, 15545, 18013, 46635, 54039, 77725, 90065, 233175, 270195, 388625, 450325, 1165875, 1350975, 2251625, 6754875, 56002417, 168007251, 280012085, 840036255, 1400060425, 4200181275, 7000302125, 21000906375]

約数ペア:

[(1, 21000906375), (3, 7000302125), (5, 4200181275), (15, 1400060425), (25, 840036255), (75, 280012085), (125, 168007251), (375, 56002417), (3109, 6754875), (9327, 2251625), (15545, 1350975), (18013, 1165875), (46635, 450325), (54039, 388625), (77725, 270195), (90065, 233175)]