21413625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3359}}^1$

素因数の和:3394

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16325895

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3359, 6375, 10077, 16795, 50385, 57103, 83975, 171309, 251925, 285515, 419875, 856545, 1259625, 1427575, 4282725, 7137875, 21413625]

約数ペア:

[(1, 21413625), (3, 7137875), (5, 4282725), (15, 1427575), (17, 1259625), (25, 856545), (51, 419875), (75, 285515), (85, 251925), (125, 171309), (255, 83975), (375, 57103), (425, 50385), (1275, 16795), (2125, 10077), (3359, 6375)]