21673185

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 36175872

約数和(自身を除く): 14502687

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 367, 381, 465, 635, 1101, 1835, 1905, 3937, 5505, 11377, 11811, 19685, 34131, 46609, 56885, 59055, 139827, 170655, 233045, 699135, 1444879, 4334637, 7224395, 21673185]

約数ペア:

[(1, 21673185), (3, 7224395), (5, 4334637), (15, 1444879), (31, 699135), (93, 233045), (127, 170655), (155, 139827), (367, 59055), (381, 56885), (465, 46609), (635, 34131), (1101, 19685), (1835, 11811), (1905, 11377), (3937, 5505)]