21486906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5547

約数の個数: 48

約数和(自身を含む): 54931968

約数和(自身を除く): 33445062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5501, 11002, 16503, 33006, 38507, 49509, 77014, 99018, 115521, 170531, 231042, 341062, 346563, 511593, 693126, 1023186, 1193717, 1534779, 2387434, 3069558, 3581151, 7162302, 10743453, 21486906]

約数ペア:

[(1, 21486906), (2, 10743453), (3, 7162302), (6, 3581151), (7, 3069558), (9, 2387434), (14, 1534779), (18, 1193717), (21, 1023186), (31, 693126), (42, 511593), (62, 346563), (63, 341062), (93, 231042), (126, 170531), (186, 115521), (217, 99018), (279, 77014), (434, 49509), (558, 38507), (651, 33006), (1302, 16503), (1953, 11002), (3906, 5501)]