21162828

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 29882292

約数列:

[1, 2, 3, 4, 6, 12, 59, 71, 118, 142, 177, 213, 236, 284, 354, 421, 426, 708, 842, 852, 1263, 1684, 2526, 4189, 5052, 8378, 12567, 16756, 24839, 25134, 29891, 49678, 50268, 59782, 74517, 89673, 99356, 119564, 149034, 179346, 298068, 358692, 1763569, 3527138, 5290707, 7054276, 10581414, 21162828]

約数ペア:

[(1, 21162828), (2, 10581414), (3, 7054276), (4, 5290707), (6, 3527138), (12, 1763569), (59, 358692), (71, 298068), (118, 179346), (142, 149034), (177, 119564), (213, 99356), (236, 89673), (284, 74517), (354, 59782), (421, 50268), (426, 49678), (708, 29891), (842, 25134), (852, 24839), (1263, 16756), (1684, 12567), (2526, 8378), (4189, 5052)]