21809160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2135

約数の個数: 96

約数和(自身を含む): 73359000

約数和(自身を除く): 51549840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 2088, 2089, 2610, 3480, 4178, 5220, 6267, 8356, 10440, 10445, 12534, 16712, 18801, 20890, 25068, 31335, 37602, 41780, 50136, 60581, 62670, 75204, 83560, 94005, 121162, 125340, 150408, 181743, 188010, 242324, 250680, 302905, 363486, 376020, 484648, 545229, 605810, 726972, 752040, 908715, 1090458, 1211620, 1453944, 1817430, 2180916, 2423240, 2726145, 3634860, 4361832, 5452290, 7269720, 10904580, 21809160]

約数ペア:

[(1, 21809160), (2, 10904580), (3, 7269720), (4, 5452290), (5, 4361832), (6, 3634860), (8, 2726145), (9, 2423240), (10, 2180916), (12, 1817430), (15, 1453944), (18, 1211620), (20, 1090458), (24, 908715), (29, 752040), (30, 726972), (36, 605810), (40, 545229), (45, 484648), (58, 376020), (60, 363486), (72, 302905), (87, 250680), (90, 242324), (116, 188010), (120, 181743), (145, 150408), (174, 125340), (180, 121162), (232, 94005), (261, 83560), (290, 75204), (348, 62670), (360, 60581), (435, 50136), (522, 41780), (580, 37602), (696, 31335), (870, 25068), (1044, 20890), (1160, 18801), (1305, 16712), (1740, 12534), (2088, 10445), (2089, 10440), (2610, 8356), (3480, 6267), (4178, 5220)]