21116418

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 44002176

約数和(自身を除く): 22885758

約数列:

[1, 2, 3, 6, 37, 73, 74, 111, 146, 219, 222, 438, 1303, 2606, 2701, 3909, 5402, 7818, 8103, 16206, 48211, 95119, 96422, 144633, 190238, 285357, 289266, 570714, 3519403, 7038806, 10558209, 21116418]

約数ペア:

[(1, 21116418), (2, 10558209), (3, 7038806), (6, 3519403), (37, 570714), (73, 289266), (74, 285357), (111, 190238), (146, 144633), (219, 96422), (222, 95119), (438, 48211), (1303, 16206), (2606, 8103), (2701, 7818), (3909, 5402)]