21527408

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2633}}^1$

素因数の和:2721

約数の個数: 40

約数和(自身を含む): 48339168

約数和(自身を除く): 26811760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2633, 4088, 5266, 8176, 10532, 18431, 21064, 36862, 42128, 73724, 147448, 192209, 294896, 384418, 768836, 1345463, 1537672, 2690926, 3075344, 5381852, 10763704, 21527408]

約数ペア:

[(1, 21527408), (2, 10763704), (4, 5381852), (7, 3075344), (8, 2690926), (14, 1537672), (16, 1345463), (28, 768836), (56, 384418), (73, 294896), (112, 192209), (146, 147448), (292, 73724), (511, 42128), (584, 36862), (1022, 21064), (1168, 18431), (2044, 10532), (2633, 8176), (4088, 5266)]