21000279840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43750583}}^1$

素因数の和:43750601

約数の個数: 48

約数和(自身を含む): 66150883008

約数和(自身を除く): 45150603168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43750583, 87501166, 131251749, 175002332, 218752915, 262503498, 350004664, 437505830, 525006996, 656258745, 700009328, 875011660, 1050013992, 1312517490, 1400018656, 1750023320, 2100027984, 2625034980, 3500046640, 4200055968, 5250069960, 7000093280, 10500139920, 21000279840]

約数ペア:

[(1, 21000279840), (2, 10500139920), (3, 7000093280), (4, 5250069960), (5, 4200055968), (6, 3500046640), (8, 2625034980), (10, 2100027984), (12, 1750023320), (15, 1400018656), (16, 1312517490), (20, 1050013992), (24, 875011660), (30, 700009328), (32, 656258745), (40, 525006996), (48, 437505830), (60, 350004664), (80, 262503498), (96, 218752915), (120, 175002332), (160, 131251749), (240, 87501166), (480, 43750583)]