21067448

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 41916960

約数和(自身を除く): 20849512

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1877, 2806, 3754, 5612, 7508, 11224, 15016, 43171, 86342, 114497, 172684, 228994, 345368, 457988, 915976, 2633431, 5266862, 10533724, 21067448]

約数ペア:

[(1, 21067448), (2, 10533724), (4, 5266862), (8, 2633431), (23, 915976), (46, 457988), (61, 345368), (92, 228994), (122, 172684), (184, 114497), (244, 86342), (488, 43171), (1403, 15016), (1877, 11224), (2806, 7508), (3754, 5612)]