21761569458

素因数分解:

$2^1\times 3^3\times {\mathrm{8243}}^1\times {\mathrm{48889}}^1$

素因数の和:57143

約数の個数: 32

約数和(自身を含む): 48365899200

約数和(自身を除く): 26604329742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 8243, 16486, 24729, 48889, 49458, 74187, 97778, 146667, 148374, 222561, 293334, 440001, 445122, 880002, 1320003, 2640006, 402992027, 805984054, 1208976081, 2417952162, 3626928243, 7253856486, 10880784729, 21761569458]

約数ペア:

[(1, 21761569458), (2, 10880784729), (3, 7253856486), (6, 3626928243), (9, 2417952162), (18, 1208976081), (27, 805984054), (54, 402992027), (8243, 2640006), (16486, 1320003), (24729, 880002), (48889, 445122), (49458, 440001), (74187, 293334), (97778, 222561), (146667, 148374)]