21372168

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10729}}^1$

素因数の和:10821

約数の個数: 32

約数和(自身を含む): 54079200

約数和(自身を除く): 32707032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10729, 21458, 32187, 42916, 64374, 85832, 128748, 257496, 890507, 1781014, 2671521, 3562028, 5343042, 7124056, 10686084, 21372168]

約数ペア:

[(1, 21372168), (2, 10686084), (3, 7124056), (4, 5343042), (6, 3562028), (8, 2671521), (12, 1781014), (24, 890507), (83, 257496), (166, 128748), (249, 85832), (332, 64374), (498, 42916), (664, 32187), (996, 21458), (1992, 10729)]