21040080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3023}}^1$

素因数の和:3068

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 46455600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3023, 3480, 6046, 6960, 9069, 12092, 15115, 18138, 24184, 30230, 36276, 45345, 48368, 60460, 72552, 87667, 90690, 120920, 145104, 175334, 181380, 241840, 263001, 350668, 362760, 438335, 526002, 701336, 725520, 876670, 1052004, 1315005, 1402672, 1753340, 2104008, 2630010, 3506680, 4208016, 5260020, 7013360, 10520040, 21040080]

約数ペア:

[(1, 21040080), (2, 10520040), (3, 7013360), (4, 5260020), (5, 4208016), (6, 3506680), (8, 2630010), (10, 2104008), (12, 1753340), (15, 1402672), (16, 1315005), (20, 1052004), (24, 876670), (29, 725520), (30, 701336), (40, 526002), (48, 438335), (58, 362760), (60, 350668), (80, 263001), (87, 241840), (116, 181380), (120, 175334), (145, 145104), (174, 120920), (232, 90690), (240, 87667), (290, 72552), (348, 60460), (435, 48368), (464, 45345), (580, 36276), (696, 30230), (870, 24184), (1160, 18138), (1392, 15115), (1740, 12092), (2320, 9069), (3023, 6960), (3480, 6046)]