21075408720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{27851}}^1$

素因数の和:28921

約数の個数: 120

約数和(自身を含む): 70848135072

約数和(自身を除く): 49772726352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1051, 2102, 3153, 4204, 5255, 6306, 8408, 9459, 10510, 12612, 15765, 16816, 18918, 21020, 25224, 27851, 31530, 37836, 42040, 47295, 50448, 55702, 63060, 75672, 83553, 84080, 94590, 111404, 126120, 139255, 151344, 167106, 189180, 222808, 250659, 252240, 278510, 334212, 378360, 417765, 445616, 501318, 557020, 668424, 756720, 835530, 1002636, 1114040, 1253295, 1336848, 1671060, 2005272, 2228080, 2506590, 3342120, 4010544, 5013180, 6684240, 10026360, 20052720, 29271401, 58542802, 87814203, 117085604, 146357005, 175628406, 234171208, 263442609, 292714010, 351256812, 439071015, 468342416, 526885218, 585428020, 702513624, 878142030, 1053770436, 1170856040, 1317213045, 1405027248, 1756284060, 2107540872, 2341712080, 2634426090, 3512568120, 4215081744, 5268852180, 7025136240, 10537704360, 21075408720]

約数ペア:

[(1, 21075408720), (2, 10537704360), (3, 7025136240), (4, 5268852180), (5, 4215081744), (6, 3512568120), (8, 2634426090), (9, 2341712080), (10, 2107540872), (12, 1756284060), (15, 1405027248), (16, 1317213045), (18, 1170856040), (20, 1053770436), (24, 878142030), (30, 702513624), (36, 585428020), (40, 526885218), (45, 468342416), (48, 439071015), (60, 351256812), (72, 292714010), (80, 263442609), (90, 234171208), (120, 175628406), (144, 146357005), (180, 117085604), (240, 87814203), (360, 58542802), (720, 29271401), (1051, 20052720), (2102, 10026360), (3153, 6684240), (4204, 5013180), (5255, 4010544), (6306, 3342120), (8408, 2506590), (9459, 2228080), (10510, 2005272), (12612, 1671060), (15765, 1336848), (16816, 1253295), (18918, 1114040), (21020, 1002636), (25224, 835530), (27851, 756720), (31530, 668424), (37836, 557020), (42040, 501318), (47295, 445616), (50448, 417765), (55702, 378360), (63060, 334212), (75672, 278510), (83553, 252240), (84080, 250659), (94590, 222808), (111404, 189180), (126120, 167106), (139255, 151344)]