21001902

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 44906400

約数和(自身を除く): 23904498

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 109, 218, 327, 654, 1853, 1889, 3706, 3778, 5559, 5667, 11118, 11334, 32113, 64226, 96339, 192678, 205901, 411802, 617703, 1235406, 3500317, 7000634, 10500951, 21001902]

約数ペア:

[(1, 21001902), (2, 10500951), (3, 7000634), (6, 3500317), (17, 1235406), (34, 617703), (51, 411802), (102, 205901), (109, 192678), (218, 96339), (327, 64226), (654, 32113), (1853, 11334), (1889, 11118), (3706, 5667), (3778, 5559)]