21921966

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 52818480

約数和(自身を除く): 30896514

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 159, 198, 318, 477, 583, 954, 1166, 1749, 2089, 3498, 4178, 5247, 6267, 10494, 12534, 18801, 22979, 37602, 45958, 68937, 110717, 137874, 206811, 221434, 332151, 413622, 664302, 996453, 1217887, 1992906, 2435774, 3653661, 7307322, 10960983, 21921966]

約数ペア:

[(1, 21921966), (2, 10960983), (3, 7307322), (6, 3653661), (9, 2435774), (11, 1992906), (18, 1217887), (22, 996453), (33, 664302), (53, 413622), (66, 332151), (99, 221434), (106, 206811), (159, 137874), (198, 110717), (318, 68937), (477, 45958), (583, 37602), (954, 22979), (1166, 18801), (1749, 12534), (2089, 10494), (3498, 6267), (4178, 5247)]