21412620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2124

約数の個数: 96

約数和(自身を含む): 70156800

約数和(自身を除く): 48744180

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, 2087, 2565, 3420, 4174, 5130, 6261, 8348, 10260, 10435, 12522, 18783, 20870, 25044, 31305, 37566, 39653, 41740, 56349, 62610, 75132, 79306, 93915, 112698, 118959, 125220, 158612, 187830, 198265, 225396, 237918, 281745, 356877, 375660, 396530, 475836, 563490, 594795, 713754, 793060, 1070631, 1126980, 1189590, 1427508, 1784385, 2141262, 2379180, 3568770, 4282524, 5353155, 7137540, 10706310, 21412620]

約数ペア:

[(1, 21412620), (2, 10706310), (3, 7137540), (4, 5353155), (5, 4282524), (6, 3568770), (9, 2379180), (10, 2141262), (12, 1784385), (15, 1427508), (18, 1189590), (19, 1126980), (20, 1070631), (27, 793060), (30, 713754), (36, 594795), (38, 563490), (45, 475836), (54, 396530), (57, 375660), (60, 356877), (76, 281745), (90, 237918), (95, 225396), (108, 198265), (114, 187830), (135, 158612), (171, 125220), (180, 118959), (190, 112698), (228, 93915), (270, 79306), (285, 75132), (342, 62610), (380, 56349), (513, 41740), (540, 39653), (570, 37566), (684, 31305), (855, 25044), (1026, 20870), (1140, 18783), (1710, 12522), (2052, 10435), (2087, 10260), (2565, 8348), (3420, 6261), (4174, 5130)]