21053172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6113}}^1$

素因数の和:6168

約数の個数: 48

約数和(自身を含む): 57520512

約数和(自身を除く): 36467340

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 6113, 12226, 18339, 24452, 36678, 42791, 73356, 85582, 128373, 171164, 250633, 256746, 501266, 513492, 751899, 1002532, 1503798, 1754431, 3007596, 3508862, 5263293, 7017724, 10526586, 21053172]

約数ペア:

[(1, 21053172), (2, 10526586), (3, 7017724), (4, 5263293), (6, 3508862), (7, 3007596), (12, 1754431), (14, 1503798), (21, 1002532), (28, 751899), (41, 513492), (42, 501266), (82, 256746), (84, 250633), (123, 171164), (164, 128373), (246, 85582), (287, 73356), (492, 42791), (574, 36678), (861, 24452), (1148, 18339), (1722, 12226), (3444, 6113)]