21465477

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 34471008

約数和(自身を除く): 13005531

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 477, 583, 1749, 4091, 5247, 12273, 36819, 45001, 135003, 216823, 405009, 650469, 1951407, 2385053, 7155159, 21465477]

約数ペア:

[(1, 21465477), (3, 7155159), (9, 2385053), (11, 1951407), (33, 650469), (53, 405009), (99, 216823), (159, 135003), (477, 45001), (583, 36819), (1749, 12273), (4091, 5247)]