21662190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21881}}^1$

素因数の和:21905

約数の個数: 48

約数和(自身を含む): 61444656

約数和(自身を除く): 39782466

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21881, 43762, 65643, 109405, 131286, 196929, 218810, 240691, 328215, 393858, 481382, 656430, 722073, 984645, 1203455, 1444146, 1969290, 2166219, 2406910, 3610365, 4332438, 7220730, 10831095, 21662190]

約数ペア:

[(1, 21662190), (2, 10831095), (3, 7220730), (5, 4332438), (6, 3610365), (9, 2406910), (10, 2166219), (11, 1969290), (15, 1444146), (18, 1203455), (22, 984645), (30, 722073), (33, 656430), (45, 481382), (55, 393858), (66, 328215), (90, 240691), (99, 218810), (110, 196929), (165, 131286), (198, 109405), (330, 65643), (495, 43762), (990, 21881)]