21467628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6553}}^1$

素因数の和:6583

約数の個数: 72

約数和(自身を含む): 66798368

約数和(自身を除く): 45330740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6553, 13106, 19659, 26212, 39318, 45871, 58977, 78636, 85189, 91742, 117954, 137613, 170378, 183484, 235908, 255567, 275226, 340756, 412839, 511134, 550452, 596323, 766701, 825678, 1022268, 1192646, 1533402, 1651356, 1788969, 2385292, 3066804, 3577938, 5366907, 7155876, 10733814, 21467628]

約数ペア:

[(1, 21467628), (2, 10733814), (3, 7155876), (4, 5366907), (6, 3577938), (7, 3066804), (9, 2385292), (12, 1788969), (13, 1651356), (14, 1533402), (18, 1192646), (21, 1022268), (26, 825678), (28, 766701), (36, 596323), (39, 550452), (42, 511134), (52, 412839), (63, 340756), (78, 275226), (84, 255567), (91, 235908), (117, 183484), (126, 170378), (156, 137613), (182, 117954), (234, 91742), (252, 85189), (273, 78636), (364, 58977), (468, 45871), (546, 39318), (819, 26212), (1092, 19659), (1638, 13106), (3276, 6553)]