21862140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 61555200

約数和(自身を除く): 39693060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1831, 1990, 2388, 2985, 3662, 3980, 5493, 5970, 7324, 9155, 10986, 11940, 18310, 21972, 27465, 36620, 54930, 109860, 364369, 728738, 1093107, 1457476, 1821845, 2186214, 3643690, 4372428, 5465535, 7287380, 10931070, 21862140]

約数ペア:

[(1, 21862140), (2, 10931070), (3, 7287380), (4, 5465535), (5, 4372428), (6, 3643690), (10, 2186214), (12, 1821845), (15, 1457476), (20, 1093107), (30, 728738), (60, 364369), (199, 109860), (398, 54930), (597, 36620), (796, 27465), (995, 21972), (1194, 18310), (1831, 11940), (1990, 10986), (2388, 9155), (2985, 7324), (3662, 5970), (3980, 5493)]