21022680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:913

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 53626920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 863, 870, 1015, 1160, 1218, 1624, 1726, 1740, 2030, 2436, 2589, 3045, 3452, 3480, 4060, 4315, 4872, 5178, 6041, 6090, 6904, 8120, 8630, 10356, 12082, 12180, 12945, 17260, 18123, 20712, 24164, 24360, 25027, 25890, 30205, 34520, 36246, 48328, 50054, 51780, 60410, 72492, 75081, 90615, 100108, 103560, 120820, 125135, 144984, 150162, 175189, 181230, 200216, 241640, 250270, 300324, 350378, 362460, 375405, 500540, 525567, 600648, 700756, 724920, 750810, 875945, 1001080, 1051134, 1401512, 1501620, 1751890, 2102268, 2627835, 3003240, 3503780, 4204536, 5255670, 7007560, 10511340, 21022680]

約数ペア:

[(1, 21022680), (2, 10511340), (3, 7007560), (4, 5255670), (5, 4204536), (6, 3503780), (7, 3003240), (8, 2627835), (10, 2102268), (12, 1751890), (14, 1501620), (15, 1401512), (20, 1051134), (21, 1001080), (24, 875945), (28, 750810), (29, 724920), (30, 700756), (35, 600648), (40, 525567), (42, 500540), (56, 375405), (58, 362460), (60, 350378), (70, 300324), (84, 250270), (87, 241640), (105, 200216), (116, 181230), (120, 175189), (140, 150162), (145, 144984), (168, 125135), (174, 120820), (203, 103560), (210, 100108), (232, 90615), (280, 75081), (290, 72492), (348, 60410), (406, 51780), (420, 50054), (435, 48328), (580, 36246), (609, 34520), (696, 30205), (812, 25890), (840, 25027), (863, 24360), (870, 24164), (1015, 20712), (1160, 18123), (1218, 17260), (1624, 12945), (1726, 12180), (1740, 12082), (2030, 10356), (2436, 8630), (2589, 8120), (3045, 6904), (3452, 6090), (3480, 6041), (4060, 5178), (4315, 4872)]