21178230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1163}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 50955264

約数和(自身を除く): 29777034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 607, 1163, 1214, 1821, 2326, 3035, 3489, 3642, 5815, 6070, 6978, 9105, 11630, 17445, 18210, 34890, 705941, 1411882, 2117823, 3529705, 4235646, 7059410, 10589115, 21178230]

約数ペア:

[(1, 21178230), (2, 10589115), (3, 7059410), (5, 4235646), (6, 3529705), (10, 2117823), (15, 1411882), (30, 705941), (607, 34890), (1163, 18210), (1214, 17445), (1821, 11630), (2326, 9105), (3035, 6978), (3489, 6070), (3642, 5815)]