21038076

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 33958404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1487, 1572, 2358, 2974, 3537, 4461, 4716, 5948, 7074, 8922, 13383, 14148, 17844, 26766, 40149, 53532, 80298, 160596, 194797, 389594, 584391, 779188, 1168782, 1753173, 2337564, 3506346, 5259519, 7012692, 10519038, 21038076]

約数ペア:

[(1, 21038076), (2, 10519038), (3, 7012692), (4, 5259519), (6, 3506346), (9, 2337564), (12, 1753173), (18, 1168782), (27, 779188), (36, 584391), (54, 389594), (108, 194797), (131, 160596), (262, 80298), (393, 53532), (524, 40149), (786, 26766), (1179, 17844), (1487, 14148), (1572, 13383), (2358, 8922), (2974, 7074), (3537, 5948), (4461, 4716)]