21442832

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 44175000

約数和(自身を除く): 22732168

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 232, 296, 464, 592, 1073, 1249, 2146, 2498, 4292, 4996, 8584, 9992, 17168, 19984, 36221, 46213, 72442, 92426, 144884, 184852, 289768, 369704, 579536, 739408, 1340177, 2680354, 5360708, 10721416, 21442832]

約数ペア:

[(1, 21442832), (2, 10721416), (4, 5360708), (8, 2680354), (16, 1340177), (29, 739408), (37, 579536), (58, 369704), (74, 289768), (116, 184852), (148, 144884), (232, 92426), (296, 72442), (464, 46213), (592, 36221), (1073, 19984), (1249, 17168), (2146, 9992), (2498, 8584), (4292, 4996)]