21103659514

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1\times {\mathrm{51449}}^1$

素因数の和:51894

約数の個数: 32

約数和(自身を含む): 36718012800

約数和(自身を除く): 15614353286

約数列:

[1, 2, 7, 14, 83, 166, 353, 581, 706, 1162, 2471, 4942, 29299, 51449, 58598, 102898, 205093, 360143, 410186, 720286, 4270267, 8540534, 18161497, 29891869, 36322994, 59783738, 127130479, 254260958, 1507404251, 3014808502, 10551829757, 21103659514]

約数ペア:

[(1, 21103659514), (2, 10551829757), (7, 3014808502), (14, 1507404251), (83, 254260958), (166, 127130479), (353, 59783738), (581, 36322994), (706, 29891869), (1162, 18161497), (2471, 8540534), (4942, 4270267), (29299, 720286), (51449, 410186), (58598, 360143), (102898, 205093)]