21987484015

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{599}}^1\times {\mathrm{2389}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 30286080000

約数和(自身を除く): 8298595985

約数列:

[1, 5, 7, 35, 439, 599, 2195, 2389, 2995, 3073, 4193, 11945, 15365, 16723, 20965, 83615, 262961, 1048771, 1314805, 1431011, 1840727, 5243855, 7155055, 7341397, 9203635, 10017077, 36706985, 50085385, 628213829, 3141069145, 4397496803, 21987484015]

約数ペア:

[(1, 21987484015), (5, 4397496803), (7, 3141069145), (35, 628213829), (439, 50085385), (599, 36706985), (2195, 10017077), (2389, 9203635), (2995, 7341397), (3073, 7155055), (4193, 5243855), (11945, 1840727), (15365, 1431011), (16723, 1314805), (20965, 1048771), (83615, 262961)]