21535740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2099}}^1$

素因数の和:2136

約数の個数: 96

約数和(自身を含む): 70560000

約数和(自身を除く): 49024260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2099, 2565, 3420, 4198, 5130, 6297, 8396, 10260, 10495, 12594, 18891, 20990, 25188, 31485, 37782, 39881, 41980, 56673, 62970, 75564, 79762, 94455, 113346, 119643, 125940, 159524, 188910, 199405, 226692, 239286, 283365, 358929, 377820, 398810, 478572, 566730, 598215, 717858, 797620, 1076787, 1133460, 1196430, 1435716, 1794645, 2153574, 2392860, 3589290, 4307148, 5383935, 7178580, 10767870, 21535740]

約数ペア:

[(1, 21535740), (2, 10767870), (3, 7178580), (4, 5383935), (5, 4307148), (6, 3589290), (9, 2392860), (10, 2153574), (12, 1794645), (15, 1435716), (18, 1196430), (19, 1133460), (20, 1076787), (27, 797620), (30, 717858), (36, 598215), (38, 566730), (45, 478572), (54, 398810), (57, 377820), (60, 358929), (76, 283365), (90, 239286), (95, 226692), (108, 199405), (114, 188910), (135, 159524), (171, 125940), (180, 119643), (190, 113346), (228, 94455), (270, 79762), (285, 75564), (342, 62970), (380, 56673), (513, 41980), (540, 39881), (570, 37782), (684, 31485), (855, 25188), (1026, 20990), (1140, 18891), (1710, 12594), (2052, 10495), (2099, 10260), (2565, 8396), (3420, 6297), (4198, 5130)]