21309390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236771}}^1$

素因数の和:236784

約数の個数: 24

約数和(自身を含む): 55404648

約数和(自身を除く): 34095258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236771, 473542, 710313, 1183855, 1420626, 2130939, 2367710, 3551565, 4261878, 7103130, 10654695, 21309390]

約数ペア:

[(1, 21309390), (2, 10654695), (3, 7103130), (5, 4261878), (6, 3551565), (9, 2367710), (10, 2130939), (15, 1420626), (18, 1183855), (30, 710313), (45, 473542), (90, 236771)]