21493026

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:928

約数の個数: 40

約数和(自身を含む): 48492444

約数和(自身を除く): 26999418

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 733, 1086, 1466, 1629, 2199, 3258, 4398, 4887, 6597, 9774, 13194, 14661, 19791, 29322, 39582, 59373, 118746, 132673, 265346, 398019, 796038, 1194057, 2388114, 3582171, 7164342, 10746513, 21493026]

約数ペア:

[(1, 21493026), (2, 10746513), (3, 7164342), (6, 3582171), (9, 2388114), (18, 1194057), (27, 796038), (54, 398019), (81, 265346), (162, 132673), (181, 118746), (362, 59373), (543, 39582), (733, 29322), (1086, 19791), (1466, 14661), (1629, 13194), (2199, 9774), (3258, 6597), (4398, 4887)]