21182640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88261}}^1$

素因数の和:88277

約数の個数: 40

約数和(自身を含む): 65666928

約数和(自身を除く): 44484288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88261, 176522, 264783, 353044, 441305, 529566, 706088, 882610, 1059132, 1323915, 1412176, 1765220, 2118264, 2647830, 3530440, 4236528, 5295660, 7060880, 10591320, 21182640]

約数ペア:

[(1, 21182640), (2, 10591320), (3, 7060880), (4, 5295660), (5, 4236528), (6, 3530440), (8, 2647830), (10, 2118264), (12, 1765220), (15, 1412176), (16, 1323915), (20, 1059132), (24, 882610), (30, 706088), (40, 529566), (48, 441305), (60, 353044), (80, 264783), (120, 176522), (240, 88261)]