21112938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15233}}^1$

素因数の和:15259

約数の個数: 48

約数和(自身を含む): 57036096

約数和(自身を除く): 35923158

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15233, 30466, 45699, 91398, 106631, 137097, 167563, 213262, 274194, 319893, 335126, 502689, 639786, 959679, 1005378, 1172941, 1508067, 1919358, 2345882, 3016134, 3518823, 7037646, 10556469, 21112938]

約数ペア:

[(1, 21112938), (2, 10556469), (3, 7037646), (6, 3518823), (7, 3016134), (9, 2345882), (11, 1919358), (14, 1508067), (18, 1172941), (21, 1005378), (22, 959679), (33, 639786), (42, 502689), (63, 335126), (66, 319893), (77, 274194), (99, 213262), (126, 167563), (154, 137097), (198, 106631), (231, 91398), (462, 45699), (693, 30466), (1386, 15233)]