21912552

素因数分解:

$2^3\times 3^3\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 61272000

約数和(自身を除く): 39359448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 229, 443, 458, 687, 886, 916, 1329, 1374, 1772, 1832, 2061, 2658, 2748, 3544, 3987, 4122, 5316, 5496, 6183, 7974, 8244, 10632, 11961, 12366, 15948, 16488, 23922, 24732, 31896, 47844, 49464, 95688, 101447, 202894, 304341, 405788, 608682, 811576, 913023, 1217364, 1826046, 2434728, 2739069, 3652092, 5478138, 7304184, 10956276, 21912552]

約数ペア:

[(1, 21912552), (2, 10956276), (3, 7304184), (4, 5478138), (6, 3652092), (8, 2739069), (9, 2434728), (12, 1826046), (18, 1217364), (24, 913023), (27, 811576), (36, 608682), (54, 405788), (72, 304341), (108, 202894), (216, 101447), (229, 95688), (443, 49464), (458, 47844), (687, 31896), (886, 24732), (916, 23922), (1329, 16488), (1374, 15948), (1772, 12366), (1832, 11961), (2061, 10632), (2658, 8244), (2748, 7974), (3544, 6183), (3987, 5496), (4122, 5316)]