21050868

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 30175692

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 241, 251, 348, 482, 502, 723, 753, 964, 1004, 1446, 1506, 2892, 3012, 6989, 7279, 13978, 14558, 20967, 21837, 27956, 29116, 41934, 43674, 60491, 83868, 87348, 120982, 181473, 241964, 362946, 725892, 1754239, 3508478, 5262717, 7016956, 10525434, 21050868]

約数ペア:

[(1, 21050868), (2, 10525434), (3, 7016956), (4, 5262717), (6, 3508478), (12, 1754239), (29, 725892), (58, 362946), (87, 241964), (116, 181473), (174, 120982), (241, 87348), (251, 83868), (348, 60491), (482, 43674), (502, 41934), (723, 29116), (753, 27956), (964, 21837), (1004, 20967), (1446, 14558), (1506, 13978), (2892, 7279), (3012, 6989)]