21795120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30271}}^1$

素因数の和:30290

約数の個数: 60

約数和(自身を含む): 73197696

約数和(自身を除く): 51402576

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, 30271, 60542, 90813, 121084, 151355, 181626, 242168, 272439, 302710, 363252, 454065, 484336, 544878, 605420, 726504, 908130, 1089756, 1210840, 1362195, 1453008, 1816260, 2179512, 2421680, 2724390, 3632520, 4359024, 5448780, 7265040, 10897560, 21795120]

約数ペア:

[(1, 21795120), (2, 10897560), (3, 7265040), (4, 5448780), (5, 4359024), (6, 3632520), (8, 2724390), (9, 2421680), (10, 2179512), (12, 1816260), (15, 1453008), (16, 1362195), (18, 1210840), (20, 1089756), (24, 908130), (30, 726504), (36, 605420), (40, 544878), (45, 484336), (48, 454065), (60, 363252), (72, 302710), (80, 272439), (90, 242168), (120, 181626), (144, 151355), (180, 121084), (240, 90813), (360, 60542), (720, 30271)]