21712548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12653}}^1$

素因数の和:12684

約数の個数: 48

約数和(自身を含む): 59524416

約数和(自身を除く): 37811868

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12653, 25306, 37959, 50612, 75918, 139183, 151836, 164489, 278366, 328978, 417549, 493467, 556732, 657956, 835098, 986934, 1670196, 1809379, 1973868, 3618758, 5428137, 7237516, 10856274, 21712548]

約数ペア:

[(1, 21712548), (2, 10856274), (3, 7237516), (4, 5428137), (6, 3618758), (11, 1973868), (12, 1809379), (13, 1670196), (22, 986934), (26, 835098), (33, 657956), (39, 556732), (44, 493467), (52, 417549), (66, 328978), (78, 278366), (132, 164489), (143, 151836), (156, 139183), (286, 75918), (429, 50612), (572, 37959), (858, 25306), (1716, 12653)]