21766260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 61209792

約数和(自身を除く): 39443532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1291, 1405, 1686, 2582, 2810, 3372, 3873, 4215, 5164, 5620, 6455, 7746, 8430, 12910, 15492, 16860, 19365, 25820, 38730, 77460, 362771, 725542, 1088313, 1451084, 1813855, 2176626, 3627710, 4353252, 5441565, 7255420, 10883130, 21766260]

約数ペア:

[(1, 21766260), (2, 10883130), (3, 7255420), (4, 5441565), (5, 4353252), (6, 3627710), (10, 2176626), (12, 1813855), (15, 1451084), (20, 1088313), (30, 725542), (60, 362771), (281, 77460), (562, 38730), (843, 25820), (1124, 19365), (1291, 16860), (1405, 15492), (1686, 12910), (2582, 8430), (2810, 7746), (3372, 6455), (3873, 5620), (4215, 5164)]