21399216

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15373}}^1$

素因数の和:15413

約数の個数: 40

約数和(自身を含む): 57191280

約数和(自身を除く): 35792064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15373, 30746, 46119, 61492, 92238, 122984, 184476, 245968, 368952, 445817, 737904, 891634, 1337451, 1783268, 2674902, 3566536, 5349804, 7133072, 10699608, 21399216]

約数ペア:

[(1, 21399216), (2, 10699608), (3, 7133072), (4, 5349804), (6, 3566536), (8, 2674902), (12, 1783268), (16, 1337451), (24, 891634), (29, 737904), (48, 445817), (58, 368952), (87, 245968), (116, 184476), (174, 122984), (232, 92238), (348, 61492), (464, 46119), (696, 30746), (1392, 15373)]