21812770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{983}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 45059328

約数和(自身を除く): 23246558

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 317, 634, 983, 1585, 1966, 2219, 3170, 4438, 4915, 6881, 9830, 11095, 13762, 22190, 34405, 68810, 311611, 623222, 1558055, 2181277, 3116110, 4362554, 10906385, 21812770]

約数ペア:

[(1, 21812770), (2, 10906385), (5, 4362554), (7, 3116110), (10, 2181277), (14, 1558055), (35, 623222), (70, 311611), (317, 68810), (634, 34405), (983, 22190), (1585, 13762), (1966, 11095), (2219, 9830), (3170, 6881), (4438, 4915)]