21329904

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3499}}^1$

素因数の和:3637

約数の個数: 40

約数和(自身を含む): 55552000

約数和(自身を除く): 34222096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3499, 6096, 6998, 10497, 13996, 20994, 27992, 41988, 55984, 83976, 167952, 444373, 888746, 1333119, 1777492, 2666238, 3554984, 5332476, 7109968, 10664952, 21329904]

約数ペア:

[(1, 21329904), (2, 10664952), (3, 7109968), (4, 5332476), (6, 3554984), (8, 2666238), (12, 1777492), (16, 1333119), (24, 888746), (48, 444373), (127, 167952), (254, 83976), (381, 55984), (508, 41988), (762, 27992), (1016, 20994), (1524, 13996), (2032, 10497), (3048, 6998), (3499, 6096)]