21186770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1907}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 42037056

約数和(自身を除く): 20850286

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1907, 2222, 3814, 5555, 9535, 11110, 19070, 20977, 41954, 104885, 192607, 209770, 385214, 963035, 1926070, 2118677, 4237354, 10593385, 21186770]

約数ペア:

[(1, 21186770), (2, 10593385), (5, 4237354), (10, 2118677), (11, 1926070), (22, 963035), (55, 385214), (101, 209770), (110, 192607), (202, 104885), (505, 41954), (1010, 20977), (1111, 19070), (1907, 11110), (2222, 9535), (3814, 5555)]