21565968

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{12143}}^1$

素因数の和:12191

約数の個数: 40

約数和(自身を含む): 57222528

約数和(自身を除く): 35656560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 12143, 24286, 36429, 48572, 72858, 97144, 145716, 194288, 291432, 449291, 582864, 898582, 1347873, 1797164, 2695746, 3594328, 5391492, 7188656, 10782984, 21565968]

約数ペア:

[(1, 21565968), (2, 10782984), (3, 7188656), (4, 5391492), (6, 3594328), (8, 2695746), (12, 1797164), (16, 1347873), (24, 898582), (37, 582864), (48, 449291), (74, 291432), (111, 194288), (148, 145716), (222, 97144), (296, 72858), (444, 48572), (592, 36429), (888, 24286), (1776, 12143)]