21850360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 57009600

約数和(自身を除く): 35159240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1069, 1460, 2044, 2138, 2555, 2920, 4088, 4276, 5110, 5345, 7483, 8552, 10220, 10690, 14966, 20440, 21380, 29932, 37415, 42760, 59864, 74830, 78037, 149660, 156074, 299320, 312148, 390185, 546259, 624296, 780370, 1092518, 1560740, 2185036, 2731295, 3121480, 4370072, 5462590, 10925180, 21850360]

約数ペア:

[(1, 21850360), (2, 10925180), (4, 5462590), (5, 4370072), (7, 3121480), (8, 2731295), (10, 2185036), (14, 1560740), (20, 1092518), (28, 780370), (35, 624296), (40, 546259), (56, 390185), (70, 312148), (73, 299320), (140, 156074), (146, 149660), (280, 78037), (292, 74830), (365, 59864), (511, 42760), (584, 37415), (730, 29932), (1022, 21380), (1069, 20440), (1460, 14966), (2044, 10690), (2138, 10220), (2555, 8552), (2920, 7483), (4088, 5345), (4276, 5110)]