21968070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1699}}^1$

素因数の和:2140

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 30908730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1699, 2155, 2586, 3398, 4310, 5097, 6465, 8495, 10194, 12930, 16990, 25485, 50970, 732269, 1464538, 2196807, 3661345, 4393614, 7322690, 10984035, 21968070]

約数ペア:

[(1, 21968070), (2, 10984035), (3, 7322690), (5, 4393614), (6, 3661345), (10, 2196807), (15, 1464538), (30, 732269), (431, 50970), (862, 25485), (1293, 16990), (1699, 12930), (2155, 10194), (2586, 8495), (3398, 6465), (4310, 5097)]