21505884

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 32780964

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 47, 51, 68, 94, 102, 141, 188, 204, 282, 564, 799, 1598, 2243, 2397, 3196, 4486, 4794, 6729, 8972, 9588, 13458, 26916, 38131, 76262, 105421, 114393, 152524, 210842, 228786, 316263, 421684, 457572, 632526, 1265052, 1792157, 3584314, 5376471, 7168628, 10752942, 21505884]

約数ペア:

[(1, 21505884), (2, 10752942), (3, 7168628), (4, 5376471), (6, 3584314), (12, 1792157), (17, 1265052), (34, 632526), (47, 457572), (51, 421684), (68, 316263), (94, 228786), (102, 210842), (141, 152524), (188, 114393), (204, 105421), (282, 76262), (564, 38131), (799, 26916), (1598, 13458), (2243, 9588), (2397, 8972), (3196, 6729), (4486, 4794)]