21929524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 20841932

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 101, 103, 124, 202, 206, 404, 412, 527, 1054, 1717, 1751, 2108, 3131, 3193, 3434, 3502, 6262, 6386, 6868, 7004, 10403, 12524, 12772, 20806, 41612, 53227, 54281, 106454, 108562, 176851, 212908, 217124, 322493, 353702, 644986, 707404, 1289972, 5482381, 10964762, 21929524]

約数ペア:

[(1, 21929524), (2, 10964762), (4, 5482381), (17, 1289972), (31, 707404), (34, 644986), (62, 353702), (68, 322493), (101, 217124), (103, 212908), (124, 176851), (202, 108562), (206, 106454), (404, 54281), (412, 53227), (527, 41612), (1054, 20806), (1717, 12772), (1751, 12524), (2108, 10403), (3131, 7004), (3193, 6868), (3434, 6386), (3502, 6262)]