21345086

素因数分解:

$2^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1259}}^1$

素因数の和:1448

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16144954

約数列:

[1, 2, 7, 14, 49, 98, 173, 346, 1211, 1259, 2422, 2518, 8477, 8813, 16954, 17626, 61691, 123382, 217807, 435614, 1524649, 3049298, 10672543, 21345086]

約数ペア:

[(1, 21345086), (2, 10672543), (7, 3049298), (14, 1524649), (49, 435614), (98, 217807), (173, 123382), (346, 61691), (1211, 17626), (1259, 16954), (2422, 8813), (2518, 8477)]