21786246

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:938

約数の個数: 40

約数和(自身を含む): 49153104

約数和(自身を除く): 27366858

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 743, 1086, 1486, 1629, 2229, 3258, 4458, 4887, 6687, 9774, 13374, 14661, 20061, 29322, 40122, 60183, 120366, 134483, 268966, 403449, 806898, 1210347, 2420694, 3631041, 7262082, 10893123, 21786246]

約数ペア:

[(1, 21786246), (2, 10893123), (3, 7262082), (6, 3631041), (9, 2420694), (18, 1210347), (27, 806898), (54, 403449), (81, 268966), (162, 134483), (181, 120366), (362, 60183), (543, 40122), (743, 29322), (1086, 20061), (1486, 14661), (1629, 13374), (2229, 9774), (3258, 6687), (4458, 4887)]