21381036358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{28867}}^1$

素因数の和:29268

約数の個数: 32

約数和(自身を含む): 35392629888

約数和(自身を除く): 14011593530

約数列:

[1, 2, 11, 22, 131, 257, 262, 514, 1441, 2827, 2882, 5654, 28867, 33667, 57734, 67334, 317537, 370337, 635074, 740674, 3781577, 7418819, 7563154, 14837638, 41597347, 81607009, 83194694, 163214018, 971865289, 1943730578, 10690518179, 21381036358]

約数ペア:

[(1, 21381036358), (2, 10690518179), (11, 1943730578), (22, 971865289), (131, 163214018), (257, 83194694), (262, 81607009), (514, 41597347), (1441, 14837638), (2827, 7563154), (2882, 7418819), (5654, 3781577), (28867, 740674), (33667, 635074), (57734, 370337), (67334, 317537)]