21802312

素因数分解:

$2^3\times 7^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 46869120

約数和(自身を除く): 25066808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 617, 631, 1234, 1262, 2468, 2524, 4319, 4417, 4936, 5048, 8638, 8834, 17276, 17668, 34552, 35336, 389327, 778654, 1557308, 2725289, 3114616, 5450578, 10901156, 21802312]

約数ペア:

[(1, 21802312), (2, 10901156), (4, 5450578), (7, 3114616), (8, 2725289), (14, 1557308), (28, 778654), (56, 389327), (617, 35336), (631, 34552), (1234, 17668), (1262, 17276), (2468, 8834), (2524, 8638), (4319, 5048), (4417, 4936)]