21484080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:635

約数の個数: 120

約数和(自身を含む): 73642608

約数和(自身を除く): 52158528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 563, 636, 720, 795, 848, 954, 1060, 1126, 1272, 1590, 1689, 1908, 2120, 2252, 2385, 2544, 2815, 3180, 3378, 3816, 4240, 4504, 4770, 5067, 5630, 6360, 6756, 7632, 8445, 9008, 9540, 10134, 11260, 12720, 13512, 16890, 19080, 20268, 22520, 25335, 27024, 29839, 33780, 38160, 40536, 45040, 50670, 59678, 67560, 81072, 89517, 101340, 119356, 135120, 149195, 179034, 202680, 238712, 268551, 298390, 358068, 405360, 447585, 477424, 537102, 596780, 716136, 895170, 1074204, 1193560, 1342755, 1432272, 1790340, 2148408, 2387120, 2685510, 3580680, 4296816, 5371020, 7161360, 10742040, 21484080]

約数ペア:

[(1, 21484080), (2, 10742040), (3, 7161360), (4, 5371020), (5, 4296816), (6, 3580680), (8, 2685510), (9, 2387120), (10, 2148408), (12, 1790340), (15, 1432272), (16, 1342755), (18, 1193560), (20, 1074204), (24, 895170), (30, 716136), (36, 596780), (40, 537102), (45, 477424), (48, 447585), (53, 405360), (60, 358068), (72, 298390), (80, 268551), (90, 238712), (106, 202680), (120, 179034), (144, 149195), (159, 135120), (180, 119356), (212, 101340), (240, 89517), (265, 81072), (318, 67560), (360, 59678), (424, 50670), (477, 45040), (530, 40536), (563, 38160), (636, 33780), (720, 29839), (795, 27024), (848, 25335), (954, 22520), (1060, 20268), (1126, 19080), (1272, 16890), (1590, 13512), (1689, 12720), (1908, 11260), (2120, 10134), (2252, 9540), (2385, 9008), (2544, 8445), (2815, 7632), (3180, 6756), (3378, 6360), (3816, 5630), (4240, 5067), (4504, 4770)]