21013920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14593}}^1$

素因数の和:14614

約数の個数: 72

約数和(自身を含む): 71714916

約数和(自身を除く): 50700996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14593, 29186, 43779, 58372, 72965, 87558, 116744, 131337, 145930, 175116, 218895, 233488, 262674, 291860, 350232, 437790, 466976, 525348, 583720, 656685, 700464, 875580, 1050696, 1167440, 1313370, 1400928, 1751160, 2101392, 2334880, 2626740, 3502320, 4202784, 5253480, 7004640, 10506960, 21013920]

約数ペア:

[(1, 21013920), (2, 10506960), (3, 7004640), (4, 5253480), (5, 4202784), (6, 3502320), (8, 2626740), (9, 2334880), (10, 2101392), (12, 1751160), (15, 1400928), (16, 1313370), (18, 1167440), (20, 1050696), (24, 875580), (30, 700464), (32, 656685), (36, 583720), (40, 525348), (45, 466976), (48, 437790), (60, 350232), (72, 291860), (80, 262674), (90, 233488), (96, 218895), (120, 175116), (144, 145930), (160, 131337), (180, 116744), (240, 87558), (288, 72965), (360, 58372), (480, 43779), (720, 29186), (1440, 14593)]