21292330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19531670

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 499, 502, 998, 1255, 2495, 2510, 4267, 4990, 8483, 8534, 16966, 21335, 42415, 42670, 84830, 125249, 250498, 626245, 1252490, 2129233, 4258466, 10646165, 21292330]

約数ペア:

[(1, 21292330), (2, 10646165), (5, 4258466), (10, 2129233), (17, 1252490), (34, 626245), (85, 250498), (170, 125249), (251, 84830), (499, 42670), (502, 42415), (998, 21335), (1255, 16966), (2495, 8534), (2510, 8483), (4267, 4990)]