21660552

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{5099}}^1$

素因数の和:5170

約数の個数: 48

約数和(自身を含む): 59670000

約数和(自身を除く): 38009448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 5099, 10198, 15297, 20396, 30594, 40792, 45891, 61188, 91782, 122376, 183564, 300841, 367128, 601682, 902523, 1203364, 1805046, 2406728, 2707569, 3610092, 5415138, 7220184, 10830276, 21660552]

約数ペア:

[(1, 21660552), (2, 10830276), (3, 7220184), (4, 5415138), (6, 3610092), (8, 2707569), (9, 2406728), (12, 1805046), (18, 1203364), (24, 902523), (36, 601682), (59, 367128), (72, 300841), (118, 183564), (177, 122376), (236, 91782), (354, 61188), (472, 45891), (531, 40792), (708, 30594), (1062, 20396), (1416, 15297), (2124, 10198), (4248, 5099)]