21286008

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1291}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 57946200

約数和(自身を除く): 36660192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1291, 1374, 1832, 2061, 2582, 2748, 3873, 4122, 5164, 5496, 7746, 8244, 10328, 11619, 15492, 16488, 23238, 30984, 46476, 92952, 295639, 591278, 886917, 1182556, 1773834, 2365112, 2660751, 3547668, 5321502, 7095336, 10643004, 21286008]

約数ペア:

[(1, 21286008), (2, 10643004), (3, 7095336), (4, 5321502), (6, 3547668), (8, 2660751), (9, 2365112), (12, 1773834), (18, 1182556), (24, 886917), (36, 591278), (72, 295639), (229, 92952), (458, 46476), (687, 30984), (916, 23238), (1291, 16488), (1374, 15492), (1832, 11619), (2061, 10328), (2582, 8244), (2748, 7746), (3873, 5496), (4122, 5164)]