21286686

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1153}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 45366048

約数和(自身を除く): 24079362

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 181, 362, 543, 1086, 1153, 2306, 3077, 3459, 6154, 6918, 9231, 18462, 19601, 39202, 58803, 117606, 208693, 417386, 626079, 1252158, 3547781, 7095562, 10643343, 21286686]

約数ペア:

[(1, 21286686), (2, 10643343), (3, 7095562), (6, 3547781), (17, 1252158), (34, 626079), (51, 417386), (102, 208693), (181, 117606), (362, 58803), (543, 39202), (1086, 19601), (1153, 18462), (2306, 9231), (3077, 6918), (3459, 6154)]