2021378520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{33893}}^1$

素因数の和:33985

約数の個数: 128

約数和(自身を含む): 7028259840

約数和(自身を除く): 5006881320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 29820, 33893, 59640, 67786, 101679, 135572, 169465, 203358, 237251, 271144, 338930, 406716, 474502, 508395, 677860, 711753, 813432, 949004, 1016790, 1186255, 1355720, 1423506, 1898008, 2033580, 2372510, 2406403, 2847012, 3558765, 4067160, 4745020, 4812806, 5694024, 7117530, 7219209, 9490040, 9625612, 12032015, 14235060, 14438418, 16844821, 19251224, 24064030, 28470120, 28876836, 33689642, 36096045, 48128060, 50534463, 57753672, 67379284, 72192090, 84224105, 96256120, 101068926, 134758568, 144384180, 168448210, 202137852, 252672315, 288768360, 336896420, 404275704, 505344630, 673792840, 1010689260, 2021378520]

約数ペア:

[(1, 2021378520), (2, 1010689260), (3, 673792840), (4, 505344630), (5, 404275704), (6, 336896420), (7, 288768360), (8, 252672315), (10, 202137852), (12, 168448210), (14, 144384180), (15, 134758568), (20, 101068926), (21, 96256120), (24, 84224105), (28, 72192090), (30, 67379284), (35, 57753672), (40, 50534463), (42, 48128060), (56, 36096045), (60, 33689642), (70, 28876836), (71, 28470120), (84, 24064030), (105, 19251224), (120, 16844821), (140, 14438418), (142, 14235060), (168, 12032015), (210, 9625612), (213, 9490040), (280, 7219209), (284, 7117530), (355, 5694024), (420, 4812806), (426, 4745020), (497, 4067160), (568, 3558765), (710, 2847012), (840, 2406403), (852, 2372510), (994, 2033580), (1065, 1898008), (1420, 1423506), (1491, 1355720), (1704, 1186255), (1988, 1016790), (2130, 949004), (2485, 813432), (2840, 711753), (2982, 677860), (3976, 508395), (4260, 474502), (4970, 406716), (5964, 338930), (7455, 271144), (8520, 237251), (9940, 203358), (11928, 169465), (14910, 135572), (19880, 101679), (29820, 67786), (33893, 59640)]