21862065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15462735

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 971, 1185, 1501, 2913, 4503, 4855, 7505, 14565, 18449, 22515, 55347, 76709, 92245, 230127, 276735, 383545, 1150635, 1457471, 4372413, 7287355, 21862065]

約数ペア:

[(1, 21862065), (3, 7287355), (5, 4372413), (15, 1457471), (19, 1150635), (57, 383545), (79, 276735), (95, 230127), (237, 92245), (285, 76709), (395, 55347), (971, 22515), (1185, 18449), (1501, 14565), (2913, 7505), (4503, 4855)]