21277230693

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1\times {\mathrm{4721}}^1$

素因数の和:6917

約数の個数: 32

約数和(自身を含む): 30690733440

約数和(自身を除く): 9413502747

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 2137, 4721, 6411, 14163, 40603, 79069, 89699, 121809, 174677, 237207, 269097, 524031, 1502311, 3318863, 4506933, 9956589, 10088777, 30266331, 191686763, 373284749, 575060289, 1119854247, 7092410231, 21277230693]

約数ペア:

[(1, 21277230693), (3, 7092410231), (19, 1119854247), (37, 575060289), (57, 373284749), (111, 191686763), (703, 30266331), (2109, 10088777), (2137, 9956589), (4721, 4506933), (6411, 3318863), (14163, 1502311), (40603, 524031), (79069, 269097), (89699, 237207), (121809, 174677)]