21207492

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{2347}}^1$

素因数の和:2608

約数の個数: 36

約数和(自身を含む): 53844336

約数和(自身を除く): 32636844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 1004, 1506, 2259, 2347, 3012, 4518, 4694, 7041, 9036, 9388, 14082, 21123, 28164, 42246, 84492, 589097, 1178194, 1767291, 2356388, 3534582, 5301873, 7069164, 10603746, 21207492]

約数ペア:

[(1, 21207492), (2, 10603746), (3, 7069164), (4, 5301873), (6, 3534582), (9, 2356388), (12, 1767291), (18, 1178194), (36, 589097), (251, 84492), (502, 42246), (753, 28164), (1004, 21123), (1506, 14082), (2259, 9388), (2347, 9036), (3012, 7041), (4518, 4694)]