21586664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 25345816

約数列:

[1, 2, 4, 8, 11, 22, 31, 41, 44, 62, 82, 88, 124, 164, 193, 248, 328, 341, 386, 451, 682, 772, 902, 1271, 1364, 1544, 1804, 2123, 2542, 2728, 3608, 4246, 5084, 5983, 7913, 8492, 10168, 11966, 13981, 15826, 16984, 23932, 27962, 31652, 47864, 55924, 63304, 65813, 87043, 111848, 131626, 174086, 245303, 263252, 348172, 490606, 526504, 696344, 981212, 1962424, 2698333, 5396666, 10793332, 21586664]

約数ペア:

[(1, 21586664), (2, 10793332), (4, 5396666), (8, 2698333), (11, 1962424), (22, 981212), (31, 696344), (41, 526504), (44, 490606), (62, 348172), (82, 263252), (88, 245303), (124, 174086), (164, 131626), (193, 111848), (248, 87043), (328, 65813), (341, 63304), (386, 55924), (451, 47864), (682, 31652), (772, 27962), (902, 23932), (1271, 16984), (1364, 15826), (1544, 13981), (1804, 11966), (2123, 10168), (2542, 8492), (2728, 7913), (3608, 5983), (4246, 5084)]