21921336

素因数分解:

$2^3\times 3^2\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 59655960

約数和(自身を除く): 37734624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 251, 502, 753, 1004, 1213, 1506, 2008, 2259, 2426, 3012, 3639, 4518, 4852, 6024, 7278, 9036, 9704, 10917, 14556, 18072, 21834, 29112, 43668, 87336, 304463, 608926, 913389, 1217852, 1826778, 2435704, 2740167, 3653556, 5480334, 7307112, 10960668, 21921336]

約数ペア:

[(1, 21921336), (2, 10960668), (3, 7307112), (4, 5480334), (6, 3653556), (8, 2740167), (9, 2435704), (12, 1826778), (18, 1217852), (24, 913389), (36, 608926), (72, 304463), (251, 87336), (502, 43668), (753, 29112), (1004, 21834), (1213, 18072), (1506, 14556), (2008, 10917), (2259, 9704), (2426, 9036), (3012, 7278), (3639, 6024), (4518, 4852)]