21330420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355507}}^1$

素因数の和:355519

約数の個数: 24

約数和(自身を含む): 59725344

約数和(自身を除く): 38394924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355507, 711014, 1066521, 1422028, 1777535, 2133042, 3555070, 4266084, 5332605, 7110140, 10665210, 21330420]

約数ペア:

[(1, 21330420), (2, 10665210), (3, 7110140), (4, 5332605), (5, 4266084), (6, 3555070), (10, 2133042), (12, 1777535), (15, 1422028), (20, 1066521), (30, 711014), (60, 355507)]