21973042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 42057792

約数和(自身を除く): 20084750

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 169, 182, 251, 259, 338, 481, 502, 518, 962, 1183, 1757, 2366, 3263, 3367, 3514, 6253, 6526, 6734, 9287, 12506, 18574, 22841, 42419, 43771, 45682, 65009, 84838, 87542, 120731, 130018, 241462, 296933, 593866, 845117, 1569503, 1690234, 3139006, 10986521, 21973042]

約数ペア:

[(1, 21973042), (2, 10986521), (7, 3139006), (13, 1690234), (14, 1569503), (26, 845117), (37, 593866), (74, 296933), (91, 241462), (169, 130018), (182, 120731), (251, 87542), (259, 84838), (338, 65009), (481, 45682), (502, 43771), (518, 42419), (962, 22841), (1183, 18574), (1757, 12506), (2366, 9287), (3263, 6734), (3367, 6526), (3514, 6253)]