21838920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 66078720

約数和(自身を除く): 44239800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1433, 1524, 1905, 2540, 2866, 3048, 3810, 4299, 5080, 5732, 7165, 7620, 8598, 11464, 14330, 15240, 17196, 21495, 28660, 34392, 42990, 57320, 85980, 171960, 181991, 363982, 545973, 727964, 909955, 1091946, 1455928, 1819910, 2183892, 2729865, 3639820, 4367784, 5459730, 7279640, 10919460, 21838920]

約数ペア:

[(1, 21838920), (2, 10919460), (3, 7279640), (4, 5459730), (5, 4367784), (6, 3639820), (8, 2729865), (10, 2183892), (12, 1819910), (15, 1455928), (20, 1091946), (24, 909955), (30, 727964), (40, 545973), (60, 363982), (120, 181991), (127, 171960), (254, 85980), (381, 57320), (508, 42990), (635, 34392), (762, 28660), (1016, 21495), (1270, 17196), (1433, 15240), (1524, 14330), (1905, 11464), (2540, 8598), (2866, 7620), (3048, 7165), (3810, 5732), (4299, 5080)]