21520512174

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{97729}}^1$

素因数の和:97862

約数の個数: 64

約数和(自身を含む): 50663232000

約数和(自身を除く): 29142719826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 343, 642, 686, 749, 1029, 1498, 2058, 2247, 4494, 5243, 10486, 15729, 31458, 36701, 73402, 97729, 110103, 195458, 220206, 293187, 586374, 684103, 1368206, 2052309, 4104618, 4788721, 9577442, 10457003, 14366163, 20914006, 28732326, 31371009, 33521047, 62742018, 67042094, 73199021, 100563141, 146398042, 201126282, 219597063, 439194126, 512393147, 1024786294, 1537179441, 3074358882, 3586752029, 7173504058, 10760256087, 21520512174]

約数ペア:

[(1, 21520512174), (2, 10760256087), (3, 7173504058), (6, 3586752029), (7, 3074358882), (14, 1537179441), (21, 1024786294), (42, 512393147), (49, 439194126), (98, 219597063), (107, 201126282), (147, 146398042), (214, 100563141), (294, 73199021), (321, 67042094), (343, 62742018), (642, 33521047), (686, 31371009), (749, 28732326), (1029, 20914006), (1498, 14366163), (2058, 10457003), (2247, 9577442), (4494, 4788721), (5243, 4104618), (10486, 2052309), (15729, 1368206), (31458, 684103), (36701, 586374), (73402, 293187), (97729, 220206), (110103, 195458)]