21470414

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 38664192

約数和(自身を除く): 17193778

約数列:

[1, 2, 7, 14, 31, 61, 62, 122, 217, 427, 434, 811, 854, 1622, 1891, 3782, 5677, 11354, 13237, 25141, 26474, 49471, 50282, 98942, 175987, 346297, 351974, 692594, 1533601, 3067202, 10735207, 21470414]

約数ペア:

[(1, 21470414), (2, 10735207), (7, 3067202), (14, 1533601), (31, 692594), (61, 351974), (62, 346297), (122, 175987), (217, 98942), (427, 50282), (434, 49471), (811, 26474), (854, 25141), (1622, 13237), (1891, 11354), (3782, 5677)]