21538476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31489}}^1$

素因数の和:31518

約数の個数: 36

約数和(自身を含む): 57311800

約数和(自身を除く): 35773324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31489, 62978, 94467, 125956, 188934, 283401, 377868, 566802, 598291, 1133604, 1196582, 1794873, 2393164, 3589746, 5384619, 7179492, 10769238, 21538476]

約数ペア:

[(1, 21538476), (2, 10769238), (3, 7179492), (4, 5384619), (6, 3589746), (9, 2393164), (12, 1794873), (18, 1196582), (19, 1133604), (36, 598291), (38, 566802), (57, 377868), (76, 283401), (114, 188934), (171, 125956), (228, 94467), (342, 62978), (684, 31489)]