21613920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1272

約数の個数: 96

約数和(自身を含む): 69981408

約数和(自身を除く): 48367488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1184, 1217, 1480, 1776, 2220, 2434, 2960, 3552, 3651, 4440, 4868, 5920, 6085, 7302, 8880, 9736, 12170, 14604, 17760, 18255, 19472, 24340, 29208, 36510, 38944, 45029, 48680, 58416, 73020, 90058, 97360, 116832, 135087, 146040, 180116, 194720, 225145, 270174, 292080, 360232, 450290, 540348, 584160, 675435, 720464, 900580, 1080696, 1350870, 1440928, 1801160, 2161392, 2701740, 3602320, 4322784, 5403480, 7204640, 10806960, 21613920]

約数ペア:

[(1, 21613920), (2, 10806960), (3, 7204640), (4, 5403480), (5, 4322784), (6, 3602320), (8, 2701740), (10, 2161392), (12, 1801160), (15, 1440928), (16, 1350870), (20, 1080696), (24, 900580), (30, 720464), (32, 675435), (37, 584160), (40, 540348), (48, 450290), (60, 360232), (74, 292080), (80, 270174), (96, 225145), (111, 194720), (120, 180116), (148, 146040), (160, 135087), (185, 116832), (222, 97360), (240, 90058), (296, 73020), (370, 58416), (444, 48680), (480, 45029), (555, 38944), (592, 36510), (740, 29208), (888, 24340), (1110, 19472), (1184, 18255), (1217, 17760), (1480, 14604), (1776, 12170), (2220, 9736), (2434, 8880), (2960, 7302), (3552, 6085), (3651, 5920), (4440, 4868)]