21093840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29297}}^1$

素因数の和:29316

約数の個数: 60

約数和(自身を含む): 70842564

約数和(自身を除く): 49748724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29297, 58594, 87891, 117188, 146485, 175782, 234376, 263673, 292970, 351564, 439455, 468752, 527346, 585940, 703128, 878910, 1054692, 1171880, 1318365, 1406256, 1757820, 2109384, 2343760, 2636730, 3515640, 4218768, 5273460, 7031280, 10546920, 21093840]

約数ペア:

[(1, 21093840), (2, 10546920), (3, 7031280), (4, 5273460), (5, 4218768), (6, 3515640), (8, 2636730), (9, 2343760), (10, 2109384), (12, 1757820), (15, 1406256), (16, 1318365), (18, 1171880), (20, 1054692), (24, 878910), (30, 703128), (36, 585940), (40, 527346), (45, 468752), (48, 439455), (60, 351564), (72, 292970), (80, 263673), (90, 234376), (120, 175782), (144, 146485), (180, 117188), (240, 87891), (360, 58594), (720, 29297)]