2021209910

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1\times {\mathrm{1877}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 3663001440

約数和(自身を除く): 1641791530

約数列:

[1, 2, 5, 10, 257, 419, 514, 838, 1285, 1877, 2095, 2570, 3754, 4190, 9385, 18770, 107683, 215366, 482389, 538415, 786463, 964778, 1076830, 1572926, 2411945, 3932315, 4823890, 7864630, 202120991, 404241982, 1010604955, 2021209910]

約数ペア:

[(1, 2021209910), (2, 1010604955), (5, 404241982), (10, 202120991), (257, 7864630), (419, 4823890), (514, 3932315), (838, 2411945), (1285, 1572926), (1877, 1076830), (2095, 964778), (2570, 786463), (3754, 538415), (4190, 482389), (9385, 215366), (18770, 107683)]