21477008

素因数分解:

$2^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{823}}^1$

素因数の和:1071

約数の個数: 40

約数和(自身を含む): 47818368

約数和(自身を除く): 26341360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 233, 466, 823, 932, 1631, 1646, 1864, 3262, 3292, 3728, 5761, 6524, 6584, 11522, 13048, 13168, 23044, 26096, 46088, 92176, 191759, 383518, 767036, 1342313, 1534072, 2684626, 3068144, 5369252, 10738504, 21477008]

約数ペア:

[(1, 21477008), (2, 10738504), (4, 5369252), (7, 3068144), (8, 2684626), (14, 1534072), (16, 1342313), (28, 767036), (56, 383518), (112, 191759), (233, 92176), (466, 46088), (823, 26096), (932, 23044), (1631, 13168), (1646, 13048), (1864, 11522), (3262, 6584), (3292, 6524), (3728, 5761)]