21495174

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2539}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 46085760

約数和(自身を除く): 24590586

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 166, 249, 498, 1411, 2539, 2822, 4233, 5078, 7617, 8466, 15234, 43163, 86326, 129489, 210737, 258978, 421474, 632211, 1264422, 3582529, 7165058, 10747587, 21495174]

約数ペア:

[(1, 21495174), (2, 10747587), (3, 7165058), (6, 3582529), (17, 1264422), (34, 632211), (51, 421474), (83, 258978), (102, 210737), (166, 129489), (249, 86326), (498, 43163), (1411, 15234), (2539, 8466), (2822, 7617), (4233, 5078)]