21988974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1093}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 50411520

約数和(自身を除く): 28422546

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 479, 958, 1093, 1437, 2186, 2874, 3279, 3353, 6558, 6706, 7651, 10059, 15302, 20118, 22953, 45906, 523547, 1047094, 1570641, 3141282, 3664829, 7329658, 10994487, 21988974]

約数ペア:

[(1, 21988974), (2, 10994487), (3, 7329658), (6, 3664829), (7, 3141282), (14, 1570641), (21, 1047094), (42, 523547), (479, 45906), (958, 22953), (1093, 20118), (1437, 15302), (2186, 10059), (2874, 7651), (3279, 6706), (3353, 6558)]