21252996

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 55366080

約数和(自身を除く): 34113084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 641, 921, 1228, 1282, 1842, 1923, 2564, 2763, 3684, 3846, 5526, 5769, 7692, 8289, 11052, 11538, 16578, 17307, 23076, 33156, 34614, 69228, 196787, 393574, 590361, 787148, 1180722, 1771083, 2361444, 3542166, 5313249, 7084332, 10626498, 21252996]

約数ペア:

[(1, 21252996), (2, 10626498), (3, 7084332), (4, 5313249), (6, 3542166), (9, 2361444), (12, 1771083), (18, 1180722), (27, 787148), (36, 590361), (54, 393574), (108, 196787), (307, 69228), (614, 34614), (641, 33156), (921, 23076), (1228, 17307), (1282, 16578), (1842, 11538), (1923, 11052), (2564, 8289), (2763, 7692), (3684, 5769), (3846, 5526)]