21083880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175699}}^1$

素因数の和:175713

約数の個数: 32

約数和(自身を含む): 63252000

約数和(自身を除く): 42168120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175699, 351398, 527097, 702796, 878495, 1054194, 1405592, 1756990, 2108388, 2635485, 3513980, 4216776, 5270970, 7027960, 10541940, 21083880]

約数ペア:

[(1, 21083880), (2, 10541940), (3, 7027960), (4, 5270970), (5, 4216776), (6, 3513980), (8, 2635485), (10, 2108388), (12, 1756990), (15, 1405592), (20, 1054194), (24, 878495), (30, 702796), (40, 527097), (60, 351398), (120, 175699)]