21682320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 75423744

約数和(自身を除く): 53741424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 191, 215, 220, 240, 258, 264, 330, 344, 382, 430, 440, 473, 516, 528, 573, 645, 660, 688, 764, 860, 880, 946, 955, 1032, 1146, 1290, 1320, 1419, 1528, 1720, 1892, 1910, 2064, 2101, 2292, 2365, 2580, 2640, 2838, 2865, 3056, 3440, 3784, 3820, 4202, 4584, 4730, 5160, 5676, 5730, 6303, 7095, 7568, 7640, 8213, 8404, 9168, 9460, 10320, 10505, 11352, 11460, 12606, 14190, 15280, 16426, 16808, 18920, 21010, 22704, 22920, 24639, 25212, 28380, 31515, 32852, 33616, 37840, 41065, 42020, 45840, 49278, 50424, 56760, 63030, 65704, 82130, 84040, 90343, 98556, 100848, 113520, 123195, 126060, 131408, 164260, 168080, 180686, 197112, 246390, 252120, 271029, 328520, 361372, 394224, 451715, 492780, 504240, 542058, 657040, 722744, 903430, 985560, 1084116, 1355145, 1445488, 1806860, 1971120, 2168232, 2710290, 3613720, 4336464, 5420580, 7227440, 10841160, 21682320]

約数ペア:

[(1, 21682320), (2, 10841160), (3, 7227440), (4, 5420580), (5, 4336464), (6, 3613720), (8, 2710290), (10, 2168232), (11, 1971120), (12, 1806860), (15, 1445488), (16, 1355145), (20, 1084116), (22, 985560), (24, 903430), (30, 722744), (33, 657040), (40, 542058), (43, 504240), (44, 492780), (48, 451715), (55, 394224), (60, 361372), (66, 328520), (80, 271029), (86, 252120), (88, 246390), (110, 197112), (120, 180686), (129, 168080), (132, 164260), (165, 131408), (172, 126060), (176, 123195), (191, 113520), (215, 100848), (220, 98556), (240, 90343), (258, 84040), (264, 82130), (330, 65704), (344, 63030), (382, 56760), (430, 50424), (440, 49278), (473, 45840), (516, 42020), (528, 41065), (573, 37840), (645, 33616), (660, 32852), (688, 31515), (764, 28380), (860, 25212), (880, 24639), (946, 22920), (955, 22704), (1032, 21010), (1146, 18920), (1290, 16808), (1320, 16426), (1419, 15280), (1528, 14190), (1720, 12606), (1892, 11460), (1910, 11352), (2064, 10505), (2101, 10320), (2292, 9460), (2365, 9168), (2580, 8404), (2640, 8213), (2838, 7640), (2865, 7568), (3056, 7095), (3440, 6303), (3784, 5730), (3820, 5676), (4202, 5160), (4584, 4730)]