21960972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55457}}^1$

素因数の和:55478

約数の個数: 36

約数和(自身を含む): 60560136

約数和(自身を除く): 38599164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55457, 110914, 166371, 221828, 332742, 499113, 610027, 665484, 998226, 1220054, 1830081, 1996452, 2440108, 3660162, 5490243, 7320324, 10980486, 21960972]

約数ペア:

[(1, 21960972), (2, 10980486), (3, 7320324), (4, 5490243), (6, 3660162), (9, 2440108), (11, 1996452), (12, 1830081), (18, 1220054), (22, 998226), (33, 665484), (36, 610027), (44, 499113), (66, 332742), (99, 221828), (132, 166371), (198, 110914), (396, 55457)]