21616362

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 51072000

約数和(自身を除く): 29455638

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 93, 111, 186, 222, 279, 333, 349, 558, 666, 698, 837, 999, 1047, 1147, 1674, 1998, 2094, 2294, 3141, 3441, 6282, 6882, 9423, 10323, 10819, 12913, 18846, 20646, 21638, 25826, 30969, 32457, 38739, 61938, 64914, 77478, 97371, 116217, 194742, 232434, 292113, 348651, 400303, 584226, 697302, 800606, 1200909, 2401818, 3602727, 7205454, 10808181, 21616362]

約数ペア:

[(1, 21616362), (2, 10808181), (3, 7205454), (6, 3602727), (9, 2401818), (18, 1200909), (27, 800606), (31, 697302), (37, 584226), (54, 400303), (62, 348651), (74, 292113), (93, 232434), (111, 194742), (186, 116217), (222, 97371), (279, 77478), (333, 64914), (349, 61938), (558, 38739), (666, 32457), (698, 30969), (837, 25826), (999, 21638), (1047, 20646), (1147, 18846), (1674, 12913), (1998, 10819), (2094, 10323), (2294, 9423), (3141, 6882), (3441, 6282)]