21335998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13334594

約数列:

[1, 2, 31, 43, 53, 62, 86, 106, 151, 302, 1333, 1643, 2279, 2666, 3286, 4558, 4681, 6493, 8003, 9362, 12986, 16006, 70649, 141298, 201283, 248093, 344129, 402566, 496186, 688258, 10667999, 21335998]

約数ペア:

[(1, 21335998), (2, 10667999), (31, 688258), (43, 496186), (53, 402566), (62, 344129), (86, 248093), (106, 201283), (151, 141298), (302, 70649), (1333, 16006), (1643, 12986), (2279, 9362), (2666, 8003), (3286, 6493), (4558, 4681)]