21914295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2741}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 38695104

約数和(自身を除く): 16780809

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 2741, 7995, 8223, 13705, 35633, 41115, 106899, 112381, 178165, 337143, 534495, 561905, 1460953, 1685715, 4382859, 7304765, 21914295]

約数ペア:

[(1, 21914295), (3, 7304765), (5, 4382859), (13, 1685715), (15, 1460953), (39, 561905), (41, 534495), (65, 337143), (123, 178165), (195, 112381), (205, 106899), (533, 41115), (615, 35633), (1599, 13705), (2665, 8223), (2741, 7995)]