21638586

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{12479}}^1$

素因数の和:12518

約数の個数: 24

約数和(自身を含む): 45976320

約数和(自身を除く): 24337734

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 12479, 24958, 37437, 74874, 212143, 424286, 636429, 1272858, 3606431, 7212862, 10819293, 21638586]

約数ペア:

[(1, 21638586), (2, 10819293), (3, 7212862), (6, 3606431), (17, 1272858), (34, 636429), (51, 424286), (102, 212143), (289, 74874), (578, 37437), (867, 24958), (1734, 12479)]