21950595

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 39883536

約数和(自身を除く): 17932941

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 653, 747, 1245, 1959, 2241, 3265, 3735, 5877, 6723, 9795, 11205, 17631, 29385, 33615, 52893, 54199, 88155, 162597, 264465, 270995, 487791, 812985, 1463373, 2438955, 4390119, 7316865, 21950595]

約数ペア:

[(1, 21950595), (3, 7316865), (5, 4390119), (9, 2438955), (15, 1463373), (27, 812985), (45, 487791), (81, 270995), (83, 264465), (135, 162597), (249, 88155), (405, 54199), (415, 52893), (653, 33615), (747, 29385), (1245, 17631), (1959, 11205), (2241, 9795), (3265, 6723), (3735, 5877)]