21167972343

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 36104140800

約数和(自身を除く): 14936168457

約数列:

[1, 3, 7, 9, 21, 63, 79, 97, 163, 237, 269, 291, 489, 553, 679, 711, 807, 873, 1141, 1467, 1659, 1883, 2037, 2421, 3423, 4977, 5649, 6111, 7663, 10269, 12877, 15811, 16947, 21251, 22989, 26093, 38631, 43847, 47433, 53641, 63753, 68967, 78279, 90139, 110677, 115893, 131541, 142299, 148757, 160923, 182651, 191259, 234837, 270417, 306929, 332031, 394623, 446271, 482769, 547953, 811251, 920787, 996093, 1249069, 1338813, 1643859, 2061347, 2762361, 3463913, 3747207, 4253159, 6184041, 8743483, 10391739, 11241621, 12759477, 14429429, 18552123, 24247391, 26230449, 29772113, 31175217, 38278431, 43288287, 72742173, 78691347, 89316339, 129864861, 218226519, 267949017, 335999561, 1007998683, 2351996927, 3023996049, 7055990781, 21167972343]

約数ペア:

[(1, 21167972343), (3, 7055990781), (7, 3023996049), (9, 2351996927), (21, 1007998683), (63, 335999561), (79, 267949017), (97, 218226519), (163, 129864861), (237, 89316339), (269, 78691347), (291, 72742173), (489, 43288287), (553, 38278431), (679, 31175217), (711, 29772113), (807, 26230449), (873, 24247391), (1141, 18552123), (1467, 14429429), (1659, 12759477), (1883, 11241621), (2037, 10391739), (2421, 8743483), (3423, 6184041), (4977, 4253159), (5649, 3747207), (6111, 3463913), (7663, 2762361), (10269, 2061347), (12877, 1643859), (15811, 1338813), (16947, 1249069), (21251, 996093), (22989, 920787), (26093, 811251), (38631, 547953), (43847, 482769), (47433, 446271), (53641, 394623), (63753, 332031), (68967, 306929), (78279, 270417), (90139, 234837), (110677, 191259), (115893, 182651), (131541, 160923), (142299, 148757)]