21969486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 60293376

約数和(自身を除く): 38323890

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 131, 154, 198, 231, 242, 262, 363, 393, 462, 693, 726, 786, 847, 917, 1089, 1179, 1331, 1386, 1441, 1694, 1834, 2178, 2358, 2541, 2662, 2751, 2882, 3993, 4323, 5082, 5502, 7623, 7986, 8253, 8646, 9317, 10087, 11979, 12969, 15246, 15851, 16506, 18634, 20174, 23958, 25938, 27951, 30261, 31702, 47553, 55902, 60522, 83853, 90783, 95106, 110957, 142659, 167706, 174361, 181566, 221914, 285318, 332871, 348722, 523083, 665742, 998613, 1046166, 1220527, 1569249, 1997226, 2441054, 3138498, 3661581, 7323162, 10984743, 21969486]

約数ペア:

[(1, 21969486), (2, 10984743), (3, 7323162), (6, 3661581), (7, 3138498), (9, 2441054), (11, 1997226), (14, 1569249), (18, 1220527), (21, 1046166), (22, 998613), (33, 665742), (42, 523083), (63, 348722), (66, 332871), (77, 285318), (99, 221914), (121, 181566), (126, 174361), (131, 167706), (154, 142659), (198, 110957), (231, 95106), (242, 90783), (262, 83853), (363, 60522), (393, 55902), (462, 47553), (693, 31702), (726, 30261), (786, 27951), (847, 25938), (917, 23958), (1089, 20174), (1179, 18634), (1331, 16506), (1386, 15851), (1441, 15246), (1694, 12969), (1834, 11979), (2178, 10087), (2358, 9317), (2541, 8646), (2662, 8253), (2751, 7986), (2882, 7623), (3993, 5502), (4323, 5082)]