21934527

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 9791553

約数列:

[1, 3, 29, 53, 67, 71, 87, 159, 201, 213, 1537, 1943, 2059, 3551, 3763, 4611, 4757, 5829, 6177, 10653, 11289, 14271, 102979, 109127, 137953, 252121, 308937, 327381, 413859, 756363, 7311509, 21934527]

約数ペア:

[(1, 21934527), (3, 7311509), (29, 756363), (53, 413859), (67, 327381), (71, 308937), (87, 252121), (159, 137953), (201, 109127), (213, 102979), (1537, 14271), (1943, 11289), (2059, 10653), (3551, 6177), (3763, 5829), (4611, 4757)]