21353528

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1039}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 45926400

約数和(自身を除く): 24572872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1039, 1468, 2078, 2569, 2936, 4156, 5138, 7273, 8312, 10276, 14546, 20552, 29092, 58184, 381313, 762626, 1525252, 2669191, 3050504, 5338382, 10676764, 21353528]

約数ペア:

[(1, 21353528), (2, 10676764), (4, 5338382), (7, 3050504), (8, 2669191), (14, 1525252), (28, 762626), (56, 381313), (367, 58184), (734, 29092), (1039, 20552), (1468, 14546), (2078, 10276), (2569, 8312), (2936, 7273), (4156, 5138)]