21637272

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5531}}^1$

素因数の和:5703

約数の個数: 32

約数和(自身を含む): 54434880

約数和(自身を除く): 32797608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5531, 11062, 16593, 22124, 33186, 44248, 66372, 132744, 901553, 1803106, 2704659, 3606212, 5409318, 7212424, 10818636, 21637272]

約数ペア:

[(1, 21637272), (2, 10818636), (3, 7212424), (4, 5409318), (6, 3606212), (8, 2704659), (12, 1803106), (24, 901553), (163, 132744), (326, 66372), (489, 44248), (652, 33186), (978, 22124), (1304, 16593), (1956, 11062), (3912, 5531)]