21203244

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1399}}^1$

素因数の和:1830

約数の個数: 36

約数和(自身を含む): 53762800

約数和(自身を除く): 32559556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1399, 1684, 2526, 2798, 3789, 4197, 5052, 5596, 7578, 8394, 12591, 15156, 16788, 25182, 50364, 588979, 1177958, 1766937, 2355916, 3533874, 5300811, 7067748, 10601622, 21203244]

約数ペア:

[(1, 21203244), (2, 10601622), (3, 7067748), (4, 5300811), (6, 3533874), (9, 2355916), (12, 1766937), (18, 1177958), (36, 588979), (421, 50364), (842, 25182), (1263, 16788), (1399, 15156), (1684, 12591), (2526, 8394), (2798, 7578), (3789, 5596), (4197, 5052)]