21226125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^2\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 16041651

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 107, 115, 125, 321, 345, 375, 529, 535, 575, 1587, 1605, 1725, 2461, 2645, 2675, 2875, 7383, 7935, 8025, 8625, 12305, 13225, 13375, 36915, 39675, 40125, 56603, 61525, 66125, 169809, 184575, 198375, 283015, 307625, 849045, 922875, 1415075, 4245225, 7075375, 21226125]

約数ペア:

[(1, 21226125), (3, 7075375), (5, 4245225), (15, 1415075), (23, 922875), (25, 849045), (69, 307625), (75, 283015), (107, 198375), (115, 184575), (125, 169809), (321, 66125), (345, 61525), (375, 56603), (529, 40125), (535, 39675), (575, 36915), (1587, 13375), (1605, 13225), (1725, 12305), (2461, 8625), (2645, 8025), (2675, 7935), (2875, 7383)]