21041940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350699}}^1$

素因数の和:350711

約数の個数: 24

約数和(自身を含む): 58917600

約数和(自身を除く): 37875660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350699, 701398, 1052097, 1402796, 1753495, 2104194, 3506990, 4208388, 5260485, 7013980, 10520970, 21041940]

約数ペア:

[(1, 21041940), (2, 10520970), (3, 7013980), (4, 5260485), (5, 4208388), (6, 3506990), (10, 2104194), (12, 1753495), (15, 1402796), (20, 1052097), (30, 701398), (60, 350699)]