21197328

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10771}}^1$

素因数の和:10823

約数の個数: 40

約数和(自身を含む): 56100576

約数和(自身を除く): 34903248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10771, 21542, 32313, 43084, 64626, 86168, 129252, 172336, 258504, 441611, 517008, 883222, 1324833, 1766444, 2649666, 3532888, 5299332, 7065776, 10598664, 21197328]

約数ペア:

[(1, 21197328), (2, 10598664), (3, 7065776), (4, 5299332), (6, 3532888), (8, 2649666), (12, 1766444), (16, 1324833), (24, 883222), (41, 517008), (48, 441611), (82, 258504), (123, 172336), (164, 129252), (246, 86168), (328, 64626), (492, 43084), (656, 32313), (984, 21542), (1968, 10771)]