21940112

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{37061}}^1$

素因数の和:37106

約数の個数: 20

約数和(自身を含む): 43659036

約数和(自身を除く): 21718924

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 37061, 74122, 148244, 296488, 592976, 1371257, 2742514, 5485028, 10970056, 21940112]

約数ペア:

[(1, 21940112), (2, 10970056), (4, 5485028), (8, 2742514), (16, 1371257), (37, 592976), (74, 296488), (148, 148244), (296, 74122), (592, 37061)]