21435468

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 29932212

約数列:

[1, 2, 3, 4, 6, 12, 71, 139, 142, 181, 213, 278, 284, 362, 417, 426, 543, 556, 724, 834, 852, 1086, 1668, 2172, 9869, 12851, 19738, 25159, 25702, 29607, 38553, 39476, 50318, 51404, 59214, 75477, 77106, 100636, 118428, 150954, 154212, 301908, 1786289, 3572578, 5358867, 7145156, 10717734, 21435468]

約数ペア:

[(1, 21435468), (2, 10717734), (3, 7145156), (4, 5358867), (6, 3572578), (12, 1786289), (71, 301908), (139, 154212), (142, 150954), (181, 118428), (213, 100636), (278, 77106), (284, 75477), (362, 59214), (417, 51404), (426, 50318), (543, 39476), (556, 38553), (724, 29607), (834, 25702), (852, 25159), (1086, 19738), (1668, 12851), (2172, 9869)]