21731346

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13267}}^1$

素因数の和:13295

約数の個数: 48

約数和(自身を含む): 57954624

約数和(自身を除く): 36223278

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13267, 26534, 39801, 79602, 92869, 119403, 172471, 185738, 238806, 278607, 344942, 517413, 557214, 835821, 1034826, 1207297, 1552239, 1671642, 2414594, 3104478, 3621891, 7243782, 10865673, 21731346]

約数ペア:

[(1, 21731346), (2, 10865673), (3, 7243782), (6, 3621891), (7, 3104478), (9, 2414594), (13, 1671642), (14, 1552239), (18, 1207297), (21, 1034826), (26, 835821), (39, 557214), (42, 517413), (63, 344942), (78, 278607), (91, 238806), (117, 185738), (126, 172471), (182, 119403), (234, 92869), (273, 79602), (546, 39801), (819, 26534), (1638, 13267)]