21862815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 16070241

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 573, 587, 955, 1761, 2483, 2865, 2935, 7449, 7631, 8805, 12415, 22893, 37245, 38155, 112117, 114465, 336351, 560585, 1457521, 1681755, 4372563, 7287605, 21862815]

約数ペア:

[(1, 21862815), (3, 7287605), (5, 4372563), (13, 1681755), (15, 1457521), (39, 560585), (65, 336351), (191, 114465), (195, 112117), (573, 38155), (587, 37245), (955, 22893), (1761, 12415), (2483, 8805), (2865, 7631), (2935, 7449)]