21879882

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1176

約数の個数: 40

約数和(自身を含む): 49449312

約数和(自身を除く): 27569430

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 1031, 1179, 2062, 2358, 3093, 3537, 6186, 7074, 9279, 10611, 18558, 21222, 27837, 55674, 83511, 135061, 167022, 270122, 405183, 810366, 1215549, 2431098, 3646647, 7293294, 10939941, 21879882]

約数ペア:

[(1, 21879882), (2, 10939941), (3, 7293294), (6, 3646647), (9, 2431098), (18, 1215549), (27, 810366), (54, 405183), (81, 270122), (131, 167022), (162, 135061), (262, 83511), (393, 55674), (786, 27837), (1031, 21222), (1179, 18558), (2062, 10611), (2358, 9279), (3093, 7074), (3537, 6186)]