21349587118

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{10321}}^1$

素因数の和:10792

約数の個数: 32

約数和(自身を含む): 33354097920

約数和(自身を除く): 12004510802

約数列:

[1, 2, 43, 67, 86, 134, 359, 718, 2881, 5762, 10321, 15437, 20642, 24053, 30874, 48106, 443803, 691507, 887606, 1034279, 1383014, 2068558, 3705239, 7410478, 29734801, 59469602, 159325277, 248251013, 318650554, 496502026, 10674793559, 21349587118]

約数ペア:

[(1, 21349587118), (2, 10674793559), (43, 496502026), (67, 318650554), (86, 248251013), (134, 159325277), (359, 59469602), (718, 29734801), (2881, 7410478), (5762, 3705239), (10321, 2068558), (15437, 1383014), (20642, 1034279), (24053, 887606), (30874, 691507), (48106, 443803)]