21122974.000000000

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1567}}^1$

素因数の和:1829

約数の個数: 40

約数和(自身を含む): 348422144

約数和(自身を除く): 175099408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 892, 1567, 1784, 3134, 3568, 6268, 6913, 12536, 13826, 25072, 27652, 48577, 55304, 97154, 110608, 194308, 349441, 388616, 698882, 777232, 1397764, 2795528, 5591056, 10832671, 21665342, 43330684, 86661368, 173322736]

約数ペア:

[(1, 173322736), (2, 86661368), (4, 43330684), (8, 21665342), (16, 10832671), (31, 5591056), (62, 2795528), (124, 1397764), (223, 777232), (248, 698882), (446, 388616), (496, 349441), (892, 194308), (1567, 110608), (1784, 97154), (3134, 55304), (3568, 48577), (6268, 27652), (6913, 25072), (12536, 13826)]