21317048612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1907}}^1\times {\mathrm{164387}}^1$

素因数の和:166315

約数の個数: 24

約数和(自身を含む): 39520190304

約数和(自身を除く): 18203141692

約数列:

[1, 2, 4, 17, 34, 68, 1907, 3814, 7628, 32419, 64838, 129676, 164387, 328774, 657548, 2794579, 5589158, 11178316, 313486009, 626972018, 1253944036, 5329262153, 10658524306, 21317048612]

約数ペア:

[(1, 21317048612), (2, 10658524306), (4, 5329262153), (17, 1253944036), (34, 626972018), (68, 313486009), (1907, 11178316), (3814, 5589158), (7628, 2794579), (32419, 657548), (64838, 328774), (129676, 164387)]