21438494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 40663296

約数和(自身を除く): 19224802

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 1907, 3814, 5621, 11242, 13349, 20977, 26698, 41954, 139211, 146839, 278422, 293678, 974477, 1531321, 1948954, 3062642, 10719247, 21438494]

約数ペア:

[(1, 21438494), (2, 10719247), (7, 3062642), (11, 1948954), (14, 1531321), (22, 974477), (73, 293678), (77, 278422), (146, 146839), (154, 139211), (511, 41954), (803, 26698), (1022, 20977), (1606, 13349), (1907, 11242), (3814, 5621)]