21190676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6907}}^1$

素因数の和:6983

約数の個数: 24

約数和(自身を含む): 40619040

約数和(自身を除く): 19428364

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6907, 13814, 27628, 89791, 179582, 359164, 407513, 815026, 1630052, 5297669, 10595338, 21190676]

約数ペア:

[(1, 21190676), (2, 10595338), (4, 5297669), (13, 1630052), (26, 815026), (52, 407513), (59, 359164), (118, 179582), (236, 89791), (767, 27628), (1534, 13814), (3068, 6907)]