21207242

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 38541312

約数和(自身を除く): 17334070

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 938, 983, 1541, 1966, 3082, 6881, 10787, 13762, 21574, 22609, 45218, 65861, 131722, 158263, 316526, 461027, 922054, 1514803, 3029606, 10603621, 21207242]

約数ペア:

[(1, 21207242), (2, 10603621), (7, 3029606), (14, 1514803), (23, 922054), (46, 461027), (67, 316526), (134, 158263), (161, 131722), (322, 65861), (469, 45218), (938, 22609), (983, 21574), (1541, 13762), (1966, 10787), (3082, 6881)]