21119964

素因数分解:

$2^2\times 3^1\times {\mathrm{503}}^1\times {\mathrm{3499}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 49392000

約数和(自身を除く): 28272036

約数列:

[1, 2, 3, 4, 6, 12, 503, 1006, 1509, 2012, 3018, 3499, 6036, 6998, 10497, 13996, 20994, 41988, 1759997, 3519994, 5279991, 7039988, 10559982, 21119964]

約数ペア:

[(1, 21119964), (2, 10559982), (3, 7039988), (4, 5279991), (6, 3519994), (12, 1759997), (503, 41988), (1006, 20994), (1509, 13996), (2012, 10497), (3018, 6998), (3499, 6036)]