21731358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 49124880

約数和(自身を除く): 27393522

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 121, 222, 242, 363, 407, 726, 809, 814, 1221, 1618, 2427, 2442, 4477, 4854, 8899, 8954, 13431, 17798, 26697, 26862, 29933, 53394, 59866, 89799, 97889, 179598, 195778, 293667, 329263, 587334, 658526, 987789, 1975578, 3621893, 7243786, 10865679, 21731358]

約数ペア:

[(1, 21731358), (2, 10865679), (3, 7243786), (6, 3621893), (11, 1975578), (22, 987789), (33, 658526), (37, 587334), (66, 329263), (74, 293667), (111, 195778), (121, 179598), (222, 97889), (242, 89799), (363, 59866), (407, 53394), (726, 29933), (809, 26862), (814, 26697), (1221, 17798), (1618, 13431), (2427, 8954), (2442, 8899), (4477, 4854)]