21470856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 37557624

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 167, 264, 334, 487, 501, 668, 974, 1002, 1336, 1461, 1837, 1948, 2004, 2922, 3674, 3896, 4008, 5357, 5511, 5844, 7348, 10714, 11022, 11688, 14696, 16071, 21428, 22044, 32142, 42856, 44088, 64284, 81329, 128568, 162658, 243987, 325316, 487974, 650632, 894619, 975948, 1789238, 1951896, 2683857, 3578476, 5367714, 7156952, 10735428, 21470856]

約数ペア:

[(1, 21470856), (2, 10735428), (3, 7156952), (4, 5367714), (6, 3578476), (8, 2683857), (11, 1951896), (12, 1789238), (22, 975948), (24, 894619), (33, 650632), (44, 487974), (66, 325316), (88, 243987), (132, 162658), (167, 128568), (264, 81329), (334, 64284), (487, 44088), (501, 42856), (668, 32142), (974, 22044), (1002, 21428), (1336, 16071), (1461, 14696), (1837, 11688), (1948, 11022), (2004, 10714), (2922, 7348), (3674, 5844), (3896, 5511), (4008, 5357)]