21690882

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{2039}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 48470400

約数和(自身を除く): 26779518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 2039, 3546, 4078, 5319, 6117, 10638, 12234, 18351, 36702, 55053, 110106, 401683, 803366, 1205049, 2410098, 3615147, 7230294, 10845441, 21690882]

約数ペア:

[(1, 21690882), (2, 10845441), (3, 7230294), (6, 3615147), (9, 2410098), (18, 1205049), (27, 803366), (54, 401683), (197, 110106), (394, 55053), (591, 36702), (1182, 18351), (1773, 12234), (2039, 10638), (3546, 6117), (4078, 5319)]