21812536

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 42750000

約数和(自身を除く): 20937464

約数列:

[1, 2, 4, 8, 37, 59, 74, 118, 148, 236, 296, 472, 1249, 2183, 2498, 4366, 4996, 8732, 9992, 17464, 46213, 73691, 92426, 147382, 184852, 294764, 369704, 589528, 2726567, 5453134, 10906268, 21812536]

約数ペア:

[(1, 21812536), (2, 10906268), (4, 5453134), (8, 2726567), (37, 589528), (59, 369704), (74, 294764), (118, 184852), (148, 147382), (236, 92426), (296, 73691), (472, 46213), (1249, 17464), (2183, 9992), (2498, 8732), (4366, 4996)]