21429120167

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{7789}}^1$

素因数の和:8440

約数の個数: 32

約数和(自身を含む): 26959632000

約数和(自身を除く): 5530511833

約数列:

[1, 7, 13, 49, 91, 343, 617, 637, 4319, 4459, 7789, 8021, 30233, 54523, 56147, 101257, 211631, 381661, 393029, 708799, 2671627, 2751203, 4805813, 4961593, 33640691, 34731151, 62475569, 235484837, 437328983, 1648393859, 3061302881, 21429120167]

約数ペア:

[(1, 21429120167), (7, 3061302881), (13, 1648393859), (49, 437328983), (91, 235484837), (343, 62475569), (617, 34731151), (637, 33640691), (4319, 4961593), (4459, 4805813), (7789, 2751203), (8021, 2671627), (30233, 708799), (54523, 393029), (56147, 381661), (101257, 211631)]