21849212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6449}}^1$

素因数の和:6482

約数の個数: 36

約数和(自身を含む): 48039600

約数和(自身を除く): 26190388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6449, 12898, 25796, 45143, 70939, 90286, 141878, 180572, 283756, 496573, 780329, 993146, 1560658, 1986292, 3121316, 5462303, 10924606, 21849212]

約数ペア:

[(1, 21849212), (2, 10924606), (4, 5462303), (7, 3121316), (11, 1986292), (14, 1560658), (22, 993146), (28, 780329), (44, 496573), (77, 283756), (121, 180572), (154, 141878), (242, 90286), (308, 70939), (484, 45143), (847, 25796), (1694, 12898), (3388, 6449)]