21723042

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 31153758

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 102, 114, 187, 209, 323, 374, 418, 561, 627, 646, 969, 1019, 1122, 1254, 1938, 2038, 3057, 3553, 6114, 7106, 10659, 11209, 17323, 19361, 21318, 22418, 33627, 34646, 38722, 51969, 58083, 67254, 103938, 116166, 190553, 212971, 329137, 381106, 425942, 571659, 638913, 658274, 987411, 1143318, 1277826, 1974822, 3620507, 7241014, 10861521, 21723042]

約数ペア:

[(1, 21723042), (2, 10861521), (3, 7241014), (6, 3620507), (11, 1974822), (17, 1277826), (19, 1143318), (22, 987411), (33, 658274), (34, 638913), (38, 571659), (51, 425942), (57, 381106), (66, 329137), (102, 212971), (114, 190553), (187, 116166), (209, 103938), (323, 67254), (374, 58083), (418, 51969), (561, 38722), (627, 34646), (646, 33627), (969, 22418), (1019, 21318), (1122, 19361), (1254, 17323), (1938, 11209), (2038, 10659), (3057, 7106), (3553, 6114)]