21210152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1879}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21428248

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1879, 2822, 3758, 5644, 7516, 11288, 15032, 31943, 63886, 127772, 155957, 255544, 311914, 623828, 1247656, 2651269, 5302538, 10605076, 21210152]

約数ペア:

[(1, 21210152), (2, 10605076), (4, 5302538), (8, 2651269), (17, 1247656), (34, 623828), (68, 311914), (83, 255544), (136, 155957), (166, 127772), (332, 63886), (664, 31943), (1411, 15032), (1879, 11288), (2822, 7516), (3758, 5644)]