21701784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{69557}}^1$

素因数の和:69579

約数の個数: 32

約数和(自身を含む): 58428720

約数和(自身を除く): 36726936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 69557, 139114, 208671, 278228, 417342, 556456, 834684, 904241, 1669368, 1808482, 2712723, 3616964, 5425446, 7233928, 10850892, 21701784]

約数ペア:

[(1, 21701784), (2, 10850892), (3, 7233928), (4, 5425446), (6, 3616964), (8, 2712723), (12, 1808482), (13, 1669368), (24, 904241), (26, 834684), (39, 556456), (52, 417342), (78, 278228), (104, 208671), (156, 139114), (312, 69557)]