21459868871

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{5231}}^1$

素因数の和:5651

約数の個数: 32

約数和(自身を含む): 25989562368

約数和(自身を除く): 4529693497

約数列:

[1, 7, 23, 83, 161, 307, 581, 1909, 2149, 5231, 7061, 13363, 25481, 36617, 49427, 120313, 178367, 434173, 586063, 842191, 1605917, 3039211, 4102441, 9985979, 11241419, 36936091, 69901853, 133291111, 258552637, 933037777, 3065695553, 21459868871]

約数ペア:

[(1, 21459868871), (7, 3065695553), (23, 933037777), (83, 258552637), (161, 133291111), (307, 69901853), (581, 36936091), (1909, 11241419), (2149, 9985979), (5231, 4102441), (7061, 3039211), (13363, 1605917), (25481, 842191), (36617, 586063), (49427, 434173), (120313, 178367)]