21237360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 66531456

約数和(自身を除く): 45294096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 827, 856, 1070, 1284, 1605, 1654, 1712, 2140, 2481, 2568, 3210, 3308, 4135, 4280, 4962, 5136, 6420, 6616, 8270, 8560, 9924, 12405, 12840, 13232, 16540, 19848, 24810, 25680, 33080, 39696, 49620, 66160, 88489, 99240, 176978, 198480, 265467, 353956, 442445, 530934, 707912, 884890, 1061868, 1327335, 1415824, 1769780, 2123736, 2654670, 3539560, 4247472, 5309340, 7079120, 10618680, 21237360]

約数ペア:

[(1, 21237360), (2, 10618680), (3, 7079120), (4, 5309340), (5, 4247472), (6, 3539560), (8, 2654670), (10, 2123736), (12, 1769780), (15, 1415824), (16, 1327335), (20, 1061868), (24, 884890), (30, 707912), (40, 530934), (48, 442445), (60, 353956), (80, 265467), (107, 198480), (120, 176978), (214, 99240), (240, 88489), (321, 66160), (428, 49620), (535, 39696), (642, 33080), (827, 25680), (856, 24810), (1070, 19848), (1284, 16540), (1605, 13232), (1654, 12840), (1712, 12405), (2140, 9924), (2481, 8560), (2568, 8270), (3210, 6616), (3308, 6420), (4135, 5136), (4280, 4962)]