21558958

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 16076882

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1451, 2902, 7429, 14858, 24667, 27569, 33373, 49334, 55138, 66746, 468673, 567341, 634087, 937346, 1134682, 1268174, 10779479, 21558958]

約数ペア:

[(1, 21558958), (2, 10779479), (17, 1268174), (19, 1134682), (23, 937346), (34, 634087), (38, 567341), (46, 468673), (323, 66746), (391, 55138), (437, 49334), (646, 33373), (782, 27569), (874, 24667), (1451, 14858), (2902, 7429)]