21841263

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 33150000

約数和(自身を除く): 11308737

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1249, 1943, 3747, 5829, 11241, 17487, 36221, 83683, 108663, 251049, 325989, 753147, 2426807, 7280421, 21841263]

約数ペア:

[(1, 21841263), (3, 7280421), (9, 2426807), (29, 753147), (67, 325989), (87, 251049), (201, 108663), (261, 83683), (603, 36221), (1249, 17487), (1943, 11241), (3747, 5829)]