21000724824

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4834421}}^1$

素因数の和:4834611

約数の個数: 32

約数和(自身を含む): 52791888240

約数和(自身を除く): 31791163416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4834421, 9668842, 14503263, 19337684, 29006526, 38675368, 58013052, 116026104, 875030201, 1750060402, 2625090603, 3500120804, 5250181206, 7000241608, 10500362412, 21000724824]

約数ペア:

[(1, 21000724824), (2, 10500362412), (3, 7000241608), (4, 5250181206), (6, 3500120804), (8, 2625090603), (12, 1750060402), (24, 875030201), (181, 116026104), (362, 58013052), (543, 38675368), (724, 29006526), (1086, 19337684), (1448, 14503263), (2172, 9668842), (4344, 4834421)]