21211128

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4397}}^1$

素因数の和:4476

約数の個数: 48

約数和(自身を含む): 58317480

約数和(自身を除く): 37106352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4397, 4824, 8794, 13191, 17588, 26382, 35176, 39573, 52764, 79146, 105528, 158292, 294599, 316584, 589198, 883797, 1178396, 1767594, 2356792, 2651391, 3535188, 5302782, 7070376, 10605564, 21211128]

約数ペア:

[(1, 21211128), (2, 10605564), (3, 7070376), (4, 5302782), (6, 3535188), (8, 2651391), (9, 2356792), (12, 1767594), (18, 1178396), (24, 883797), (36, 589198), (67, 316584), (72, 294599), (134, 158292), (201, 105528), (268, 79146), (402, 52764), (536, 39573), (603, 35176), (804, 26382), (1206, 17588), (1608, 13191), (2412, 8794), (4397, 4824)]