21753974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 38050560

約数和(自身を除く): 16296586

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 733, 781, 1349, 1466, 1562, 2698, 8063, 13927, 14839, 16126, 27854, 29678, 52043, 104086, 153197, 306394, 572473, 988817, 1144946, 1977634, 10876987, 21753974]

約数ペア:

[(1, 21753974), (2, 10876987), (11, 1977634), (19, 1144946), (22, 988817), (38, 572473), (71, 306394), (142, 153197), (209, 104086), (418, 52043), (733, 29678), (781, 27854), (1349, 16126), (1466, 14839), (1562, 13927), (2698, 8063)]