21759290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7229}}^1$

素因数の和:7286

約数の個数: 32

約数和(自身を含む): 45809280

約数和(自身を除く): 24049990

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7229, 14458, 36145, 50603, 72290, 101206, 253015, 310847, 506030, 621694, 1554235, 2175929, 3108470, 4351858, 10879645, 21759290]

約数ペア:

[(1, 21759290), (2, 10879645), (5, 4351858), (7, 3108470), (10, 2175929), (14, 1554235), (35, 621694), (43, 506030), (70, 310847), (86, 253015), (215, 101206), (301, 72290), (430, 50603), (602, 36145), (1505, 14458), (3010, 7229)]