21751356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 33890244

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 367, 449, 734, 898, 1101, 1347, 1468, 1796, 2202, 2694, 4037, 4404, 4939, 5388, 8074, 9878, 12111, 14817, 16148, 19756, 24222, 29634, 48444, 59268, 164783, 329566, 494349, 659132, 988698, 1812613, 1977396, 3625226, 5437839, 7250452, 10875678, 21751356]

約数ペア:

[(1, 21751356), (2, 10875678), (3, 7250452), (4, 5437839), (6, 3625226), (11, 1977396), (12, 1812613), (22, 988698), (33, 659132), (44, 494349), (66, 329566), (132, 164783), (367, 59268), (449, 48444), (734, 29634), (898, 24222), (1101, 19756), (1347, 16148), (1468, 14817), (1796, 12111), (2202, 9878), (2694, 8074), (4037, 5388), (4404, 4939)]