21376776

素因数分解:

$2^3\times 3^1\times {\mathrm{691}}^1\times {\mathrm{1289}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 53560800

約数和(自身を除く): 32184024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 691, 1289, 1382, 2073, 2578, 2764, 3867, 4146, 5156, 5528, 7734, 8292, 10312, 15468, 16584, 30936, 890699, 1781398, 2672097, 3562796, 5344194, 7125592, 10688388, 21376776]

約数ペア:

[(1, 21376776), (2, 10688388), (3, 7125592), (4, 5344194), (6, 3562796), (8, 2672097), (12, 1781398), (24, 890699), (691, 30936), (1289, 16584), (1382, 15468), (2073, 10312), (2578, 8292), (2764, 7734), (3867, 5528), (4146, 5156)]