21306552

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 34335048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 59, 82, 118, 123, 164, 177, 236, 246, 328, 354, 367, 472, 492, 708, 734, 984, 1101, 1416, 1468, 2202, 2419, 2936, 4404, 4838, 7257, 8808, 9676, 14514, 15047, 19352, 21653, 29028, 30094, 43306, 45141, 58056, 60188, 64959, 86612, 90282, 120376, 129918, 173224, 180564, 259836, 361128, 519672, 887773, 1775546, 2663319, 3551092, 5326638, 7102184, 10653276, 21306552]

約数ペア:

[(1, 21306552), (2, 10653276), (3, 7102184), (4, 5326638), (6, 3551092), (8, 2663319), (12, 1775546), (24, 887773), (41, 519672), (59, 361128), (82, 259836), (118, 180564), (123, 173224), (164, 129918), (177, 120376), (236, 90282), (246, 86612), (328, 64959), (354, 60188), (367, 58056), (472, 45141), (492, 43306), (708, 30094), (734, 29028), (984, 21653), (1101, 19352), (1416, 15047), (1468, 14514), (2202, 9676), (2419, 8808), (2936, 7257), (4404, 4838)]