21526216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1907}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 21747224

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1907, 2822, 3814, 5644, 7628, 11288, 15256, 32419, 64838, 129676, 158281, 259352, 316562, 633124, 1266248, 2690777, 5381554, 10763108, 21526216]

約数ペア:

[(1, 21526216), (2, 10763108), (4, 5381554), (8, 2690777), (17, 1266248), (34, 633124), (68, 316562), (83, 259352), (136, 158281), (166, 129676), (332, 64838), (664, 32419), (1411, 15256), (1907, 11288), (2822, 7628), (3814, 5644)]