21533964

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 52448256

約数和(自身を除く): 30914292

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 107, 124, 186, 214, 321, 372, 428, 541, 642, 1082, 1284, 1623, 2164, 3246, 3317, 6492, 6634, 9951, 13268, 16771, 19902, 33542, 39804, 50313, 57887, 67084, 100626, 115774, 173661, 201252, 231548, 347322, 694644, 1794497, 3588994, 5383491, 7177988, 10766982, 21533964]

約数ペア:

[(1, 21533964), (2, 10766982), (3, 7177988), (4, 5383491), (6, 3588994), (12, 1794497), (31, 694644), (62, 347322), (93, 231548), (107, 201252), (124, 173661), (186, 115774), (214, 100626), (321, 67084), (372, 57887), (428, 50313), (541, 39804), (642, 33542), (1082, 19902), (1284, 16771), (1623, 13268), (2164, 9951), (3246, 6634), (3317, 6492)]