21019729600

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{355063}}^1$

素因数の和:355122

約数の個数: 84

約数和(自身を含む): 53119704784

約数和(自身を除く): 32099975184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 148, 160, 185, 200, 296, 320, 370, 400, 592, 740, 800, 925, 1184, 1480, 1600, 1850, 2368, 2960, 3700, 5920, 7400, 11840, 14800, 29600, 59200, 355063, 710126, 1420252, 1775315, 2840504, 3550630, 5681008, 7101260, 8876575, 11362016, 13137331, 14202520, 17753150, 22724032, 26274662, 28405040, 35506300, 52549324, 56810080, 65686655, 71012600, 105098648, 113620160, 131373310, 142025200, 210197296, 262746620, 284050400, 328433275, 420394592, 525493240, 568100800, 656866550, 840789184, 1050986480, 1313733100, 2101972960, 2627466200, 4203945920, 5254932400, 10509864800, 21019729600]

約数ペア:

[(1, 21019729600), (2, 10509864800), (4, 5254932400), (5, 4203945920), (8, 2627466200), (10, 2101972960), (16, 1313733100), (20, 1050986480), (25, 840789184), (32, 656866550), (37, 568100800), (40, 525493240), (50, 420394592), (64, 328433275), (74, 284050400), (80, 262746620), (100, 210197296), (148, 142025200), (160, 131373310), (185, 113620160), (200, 105098648), (296, 71012600), (320, 65686655), (370, 56810080), (400, 52549324), (592, 35506300), (740, 28405040), (800, 26274662), (925, 22724032), (1184, 17753150), (1480, 14202520), (1600, 13137331), (1850, 11362016), (2368, 8876575), (2960, 7101260), (3700, 5681008), (5920, 3550630), (7400, 2840504), (11840, 1775315), (14800, 1420252), (29600, 710126), (59200, 355063)]