21712808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12281}}^1$

素因数の和:12317

約数の個数: 32

約数和(自身を含む): 46425960

約数和(自身を除く): 24713152

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12281, 24562, 49124, 98248, 159653, 208777, 319306, 417554, 638612, 835108, 1277224, 1670216, 2714101, 5428202, 10856404, 21712808]

約数ペア:

[(1, 21712808), (2, 10856404), (4, 5428202), (8, 2714101), (13, 1670216), (17, 1277224), (26, 835108), (34, 638612), (52, 417554), (68, 319306), (104, 208777), (136, 159653), (221, 98248), (442, 49124), (884, 24562), (1768, 12281)]