21720582

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30941}}^1$

素因数の和:30965

約数の個数: 32

約数和(自身を含む): 51982560

約数和(自身を除く): 30261978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30941, 61882, 92823, 185646, 278469, 402233, 556938, 804466, 835407, 1206699, 1670814, 2413398, 3620097, 7240194, 10860291, 21720582]

約数ペア:

[(1, 21720582), (2, 10860291), (3, 7240194), (6, 3620097), (9, 2413398), (13, 1670814), (18, 1206699), (26, 835407), (27, 804466), (39, 556938), (54, 402233), (78, 278469), (117, 185646), (234, 92823), (351, 61882), (702, 30941)]