21582306

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 26850078

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 97, 141, 194, 263, 282, 291, 423, 526, 582, 789, 846, 873, 1578, 1746, 2367, 4559, 4734, 9118, 12361, 13677, 24722, 25511, 27354, 37083, 41031, 51022, 74166, 76533, 82062, 111249, 153066, 222498, 229599, 459198, 1199017, 2398034, 3597051, 7194102, 10791153, 21582306]

約数ペア:

[(1, 21582306), (2, 10791153), (3, 7194102), (6, 3597051), (9, 2398034), (18, 1199017), (47, 459198), (94, 229599), (97, 222498), (141, 153066), (194, 111249), (263, 82062), (282, 76533), (291, 74166), (423, 51022), (526, 41031), (582, 37083), (789, 27354), (846, 25511), (873, 24722), (1578, 13677), (1746, 12361), (2367, 9118), (4559, 4734)]