21895734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 30746058

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 93, 134, 186, 201, 217, 251, 402, 434, 469, 502, 651, 753, 938, 1302, 1407, 1506, 1757, 2077, 2814, 3514, 4154, 5271, 6231, 7781, 10542, 12462, 14539, 15562, 16817, 23343, 29078, 33634, 43617, 46686, 50451, 54467, 87234, 100902, 108934, 117719, 163401, 235438, 326802, 353157, 521327, 706314, 1042654, 1563981, 3127962, 3649289, 7298578, 10947867, 21895734]

約数ペア:

[(1, 21895734), (2, 10947867), (3, 7298578), (6, 3649289), (7, 3127962), (14, 1563981), (21, 1042654), (31, 706314), (42, 521327), (62, 353157), (67, 326802), (93, 235438), (134, 163401), (186, 117719), (201, 108934), (217, 100902), (251, 87234), (402, 54467), (434, 50451), (469, 46686), (502, 43617), (651, 33634), (753, 29078), (938, 23343), (1302, 16817), (1407, 15562), (1506, 14539), (1757, 12462), (2077, 10542), (2814, 7781), (3514, 6231), (4154, 5271)]