21288304805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1\times {\mathrm{3167}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 27120614400

約数和(自身を除く): 5832309595

約数列:

[1, 5, 19, 95, 173, 409, 865, 2045, 3167, 3287, 7771, 15835, 16435, 38855, 60173, 70757, 300865, 353785, 547891, 1295303, 1344383, 2739455, 6476515, 6721915, 10409929, 24610757, 52049645, 123053785, 224087419, 1120437095, 4257660961, 21288304805]

約数ペア:

[(1, 21288304805), (5, 4257660961), (19, 1120437095), (95, 224087419), (173, 123053785), (409, 52049645), (865, 24610757), (2045, 10409929), (3167, 6721915), (3287, 6476515), (7771, 2739455), (15835, 1344383), (16435, 1295303), (38855, 547891), (60173, 353785), (70757, 300865)]