21554442

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13159}}^1$

素因数の和:13187

約数の個数: 48

約数和(自身を含む): 57482880

約数和(自身を除く): 35928438

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, 13159, 26318, 39477, 78954, 92113, 118431, 171067, 184226, 236862, 276339, 342134, 513201, 552678, 829017, 1026402, 1197469, 1539603, 1658034, 2394938, 3079206, 3592407, 7184814, 10777221, 21554442]

約数ペア:

[(1, 21554442), (2, 10777221), (3, 7184814), (6, 3592407), (7, 3079206), (9, 2394938), (13, 1658034), (14, 1539603), (18, 1197469), (21, 1026402), (26, 829017), (39, 552678), (42, 513201), (63, 342134), (78, 276339), (91, 236862), (117, 184226), (126, 171067), (182, 118431), (234, 92113), (273, 78954), (546, 39477), (819, 26318), (1638, 13159)]