13221964

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 15002036

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 419, 644, 686, 838, 1127, 1372, 1676, 2254, 2933, 4508, 5866, 7889, 9637, 11732, 15778, 19274, 20531, 31556, 38548, 41062, 67459, 82124, 134918, 143717, 269836, 287434, 472213, 574868, 944426, 1888852, 3305491, 6610982, 13221964]

約数ペア:

[(1, 13221964), (2, 6610982), (4, 3305491), (7, 1888852), (14, 944426), (23, 574868), (28, 472213), (46, 287434), (49, 269836), (92, 143717), (98, 134918), (161, 82124), (196, 67459), (322, 41062), (343, 38548), (419, 31556), (644, 20531), (686, 19274), (838, 15778), (1127, 11732), (1372, 9637), (1676, 7889), (2254, 5866), (2933, 4508)]