21324856

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1933}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 45951840

約数和(自身を除く): 24626984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1933, 2758, 3866, 5516, 7732, 11032, 13531, 15464, 27062, 54124, 108248, 380801, 761602, 1523204, 2665607, 3046408, 5331214, 10662428, 21324856]

約数ペア:

[(1, 21324856), (2, 10662428), (4, 5331214), (7, 3046408), (8, 2665607), (14, 1523204), (28, 761602), (56, 380801), (197, 108248), (394, 54124), (788, 27062), (1379, 15464), (1576, 13531), (1933, 11032), (2758, 7732), (3866, 5516)]