21295476

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{7127}}^1$

素因数の和:7220

約数の個数: 36

約数和(自身を含む): 54486432

約数和(自身を除く): 33190956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 7127, 14254, 21381, 28508, 42762, 64143, 85524, 128286, 256572, 591541, 1183082, 1774623, 2366164, 3549246, 5323869, 7098492, 10647738, 21295476]

約数ペア:

[(1, 21295476), (2, 10647738), (3, 7098492), (4, 5323869), (6, 3549246), (9, 2366164), (12, 1774623), (18, 1183082), (36, 591541), (83, 256572), (166, 128286), (249, 85524), (332, 64143), (498, 42762), (747, 28508), (996, 21381), (1494, 14254), (2988, 7127)]