21305934

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 50358672

約数和(自身を除く): 29052738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 234, 249, 498, 747, 1079, 1097, 1494, 2158, 2194, 3237, 3291, 6474, 6582, 9711, 9873, 14261, 19422, 19746, 28522, 42783, 85566, 91051, 128349, 182102, 256698, 273153, 546306, 819459, 1183663, 1638918, 2367326, 3550989, 7101978, 10652967, 21305934]

約数ペア:

[(1, 21305934), (2, 10652967), (3, 7101978), (6, 3550989), (9, 2367326), (13, 1638918), (18, 1183663), (26, 819459), (39, 546306), (78, 273153), (83, 256698), (117, 182102), (166, 128349), (234, 91051), (249, 85566), (498, 42783), (747, 28522), (1079, 19746), (1097, 19422), (1494, 14261), (2158, 9873), (2194, 9711), (3237, 6582), (3291, 6474)]