21411698

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 40272768

約数和(自身を除く): 18861070

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 514, 541, 1082, 1799, 2827, 3598, 3787, 5654, 5951, 7574, 11902, 19789, 39578, 41657, 83314, 139037, 278074, 973259, 1529407, 1946518, 3058814, 10705849, 21411698]

約数ペア:

[(1, 21411698), (2, 10705849), (7, 3058814), (11, 1946518), (14, 1529407), (22, 973259), (77, 278074), (154, 139037), (257, 83314), (514, 41657), (541, 39578), (1082, 19789), (1799, 11902), (2827, 7574), (3598, 5951), (3787, 5654)]