21395176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6571}}^1$

素因数の和:6625

約数の個数: 32

約数和(自身を含む): 44952480

約数和(自身を除く): 23557304

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6571, 13142, 26284, 52568, 72281, 144562, 243127, 289124, 486254, 578248, 972508, 1945016, 2674397, 5348794, 10697588, 21395176]

約数ペア:

[(1, 21395176), (2, 10697588), (4, 5348794), (8, 2674397), (11, 1945016), (22, 972508), (37, 578248), (44, 486254), (74, 289124), (88, 243127), (148, 144562), (296, 72281), (407, 52568), (814, 26284), (1628, 13142), (3256, 6571)]