21903375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4493}}^1$

素因数の和:4524

約数の個数: 32

約数和(自身を含む): 39259584

約数和(自身を除く): 17356209

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4493, 4875, 13479, 22465, 58409, 67395, 112325, 175227, 292045, 336975, 561625, 876135, 1460225, 1684875, 4380675, 7301125, 21903375]

約数ペア:

[(1, 21903375), (3, 7301125), (5, 4380675), (13, 1684875), (15, 1460225), (25, 876135), (39, 561625), (65, 336975), (75, 292045), (125, 175227), (195, 112325), (325, 67395), (375, 58409), (975, 22465), (1625, 13479), (4493, 4875)]