21561804

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54449}}^1$

素因数の和:54470

約数の個数: 36

約数和(自身を含む): 59459400

約数和(自身を除く): 37897596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54449, 108898, 163347, 217796, 326694, 490041, 598939, 653388, 980082, 1197878, 1796817, 1960164, 2395756, 3593634, 5390451, 7187268, 10780902, 21561804]

約数ペア:

[(1, 21561804), (2, 10780902), (3, 7187268), (4, 5390451), (6, 3593634), (9, 2395756), (11, 1960164), (12, 1796817), (18, 1197878), (22, 980082), (33, 653388), (36, 598939), (44, 490041), (66, 326694), (99, 217796), (132, 163347), (198, 108898), (396, 54449)]