21450702973

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1\times {\mathrm{5051}}^1$

素因数の和:5977

約数の個数: 32

約数和(自身を含む): 26538762240

約数和(自身を除く): 5088059267

約数列:

[1, 7, 19, 37, 133, 259, 703, 863, 4921, 5051, 6041, 16397, 31931, 35357, 95969, 114779, 186887, 223517, 606689, 671783, 1308209, 3550853, 4246823, 4359013, 24855971, 30513091, 82821247, 161283481, 579748729, 1128984367, 3064386139, 21450702973]

約数ペア:

[(1, 21450702973), (7, 3064386139), (19, 1128984367), (37, 579748729), (133, 161283481), (259, 82821247), (703, 30513091), (863, 24855971), (4921, 4359013), (5051, 4246823), (6041, 3550853), (16397, 1308209), (31931, 671783), (35357, 606689), (95969, 223517), (114779, 186887)]