21319214

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2720

約数の個数: 24

約数和(自身を含む): 37662408

約数和(自身を除く): 16343194

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2621, 4067, 5242, 8134, 18347, 36694, 128429, 217543, 256858, 435086, 1522801, 3045602, 10659607, 21319214]

約数ペア:

[(1, 21319214), (2, 10659607), (7, 3045602), (14, 1522801), (49, 435086), (83, 256858), (98, 217543), (166, 128429), (581, 36694), (1162, 18347), (2621, 8134), (4067, 5242)]