21697592

素因数分解:

$2^3\times 7^2\times {\mathrm{55351}}^1$

素因数の和:55371

約数の個数: 24

約数和(自身を含む): 47325960

約数和(自身を除く): 25628368

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55351, 110702, 221404, 387457, 442808, 774914, 1549828, 2712199, 3099656, 5424398, 10848796, 21697592]

約数ペア:

[(1, 21697592), (2, 10848796), (4, 5424398), (7, 3099656), (8, 2712199), (14, 1549828), (28, 774914), (49, 442808), (56, 387457), (98, 221404), (196, 110702), (392, 55351)]