21550452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 63673344

約数和(自身を除く): 42122892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 83, 84, 132, 154, 166, 231, 249, 281, 308, 332, 462, 498, 562, 581, 843, 913, 924, 996, 1124, 1162, 1686, 1743, 1826, 1967, 2324, 2739, 3091, 3372, 3486, 3652, 3934, 5478, 5901, 6182, 6391, 6972, 7868, 9273, 10956, 11802, 12364, 12782, 18546, 19173, 21637, 23323, 23604, 25564, 37092, 38346, 43274, 46646, 64911, 69969, 76692, 86548, 93292, 129822, 139938, 163261, 256553, 259644, 279876, 326522, 489783, 513106, 653044, 769659, 979566, 1026212, 1539318, 1795871, 1959132, 3078636, 3591742, 5387613, 7183484, 10775226, 21550452]

約数ペア:

[(1, 21550452), (2, 10775226), (3, 7183484), (4, 5387613), (6, 3591742), (7, 3078636), (11, 1959132), (12, 1795871), (14, 1539318), (21, 1026212), (22, 979566), (28, 769659), (33, 653044), (42, 513106), (44, 489783), (66, 326522), (77, 279876), (83, 259644), (84, 256553), (132, 163261), (154, 139938), (166, 129822), (231, 93292), (249, 86548), (281, 76692), (308, 69969), (332, 64911), (462, 46646), (498, 43274), (562, 38346), (581, 37092), (843, 25564), (913, 23604), (924, 23323), (996, 21637), (1124, 19173), (1162, 18546), (1686, 12782), (1743, 12364), (1826, 11802), (1967, 10956), (2324, 9273), (2739, 7868), (3091, 6972), (3372, 6391), (3486, 6182), (3652, 5901), (3934, 5478)]