21230238

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22315362

約数列:

[1, 2, 3, 6, 83, 89, 166, 178, 249, 267, 479, 498, 534, 958, 1437, 2874, 7387, 14774, 22161, 39757, 42631, 44322, 79514, 85262, 119271, 127893, 238542, 255786, 3538373, 7076746, 10615119, 21230238]

約数ペア:

[(1, 21230238), (2, 10615119), (3, 7076746), (6, 3538373), (83, 255786), (89, 238542), (166, 127893), (178, 119271), (249, 85262), (267, 79514), (479, 44322), (498, 42631), (534, 39757), (958, 22161), (1437, 14774), (2874, 7387)]