21045450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 52559136

約数和(自身を除く): 31513686

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 173, 346, 519, 811, 865, 1038, 1622, 1730, 2433, 2595, 4055, 4325, 4866, 5190, 8110, 8650, 12165, 12975, 20275, 24330, 25950, 40550, 60825, 121650, 140303, 280606, 420909, 701515, 841818, 1403030, 2104545, 3507575, 4209090, 7015150, 10522725, 21045450]

約数ペア:

[(1, 21045450), (2, 10522725), (3, 7015150), (5, 4209090), (6, 3507575), (10, 2104545), (15, 1403030), (25, 841818), (30, 701515), (50, 420909), (75, 280606), (150, 140303), (173, 121650), (346, 60825), (519, 40550), (811, 25950), (865, 24330), (1038, 20275), (1622, 12975), (1730, 12165), (2433, 8650), (2595, 8110), (4055, 5190), (4325, 4866)]