21591430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1847}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 23115386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1670, 1847, 2338, 3694, 5845, 9235, 11690, 12929, 18470, 25858, 64645, 129290, 308449, 616898, 1542245, 2159143, 3084490, 4318286, 10795715, 21591430]

約数ペア:

[(1, 21591430), (2, 10795715), (5, 4318286), (7, 3084490), (10, 2159143), (14, 1542245), (35, 616898), (70, 308449), (167, 129290), (334, 64645), (835, 25858), (1169, 18470), (1670, 12929), (1847, 11690), (2338, 9235), (3694, 5845)]