21883930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 42126480

約数和(自身を除く): 20242550

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1181, 1853, 2362, 3706, 5905, 9265, 11810, 18530, 20077, 40154, 100385, 128729, 200770, 257458, 643645, 1287290, 2188393, 4376786, 10941965, 21883930]

約数ペア:

[(1, 21883930), (2, 10941965), (5, 4376786), (10, 2188393), (17, 1287290), (34, 643645), (85, 257458), (109, 200770), (170, 128729), (218, 100385), (545, 40154), (1090, 20077), (1181, 18530), (1853, 11810), (2362, 9265), (3706, 5905)]