21000929454

素因数分解:

$2^1\times 3^5\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{751}}^1$

素因数の和:1284

約数の個数: 96

約数和(自身を含む): 47674658304

約数和(自身を除く): 26673728850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 243, 326, 353, 486, 489, 706, 751, 978, 1059, 1467, 1502, 2118, 2253, 2934, 3177, 4401, 4506, 6354, 6759, 8802, 9531, 13203, 13518, 19062, 20277, 26406, 28593, 39609, 40554, 57186, 57539, 60831, 79218, 85779, 115078, 121662, 122413, 171558, 172617, 182493, 244826, 265103, 345234, 364986, 367239, 517851, 530206, 734478, 795309, 1035702, 1101717, 1553553, 1590618, 2203434, 2385927, 3107106, 3305151, 4660659, 4771854, 6610302, 7157781, 9321318, 9915453, 13981977, 14315562, 19830906, 21473343, 27963954, 29746359, 42946686, 43211789, 59492718, 64420029, 86423578, 128840058, 129635367, 259270734, 388906101, 777812202, 1166718303, 2333436606, 3500154909, 7000309818, 10500464727, 21000929454]

約数ペア:

[(1, 21000929454), (2, 10500464727), (3, 7000309818), (6, 3500154909), (9, 2333436606), (18, 1166718303), (27, 777812202), (54, 388906101), (81, 259270734), (162, 129635367), (163, 128840058), (243, 86423578), (326, 64420029), (353, 59492718), (486, 43211789), (489, 42946686), (706, 29746359), (751, 27963954), (978, 21473343), (1059, 19830906), (1467, 14315562), (1502, 13981977), (2118, 9915453), (2253, 9321318), (2934, 7157781), (3177, 6610302), (4401, 4771854), (4506, 4660659), (6354, 3305151), (6759, 3107106), (8802, 2385927), (9531, 2203434), (13203, 1590618), (13518, 1553553), (19062, 1101717), (20277, 1035702), (26406, 795309), (28593, 734478), (39609, 530206), (40554, 517851), (57186, 367239), (57539, 364986), (60831, 345234), (79218, 265103), (85779, 244826), (115078, 182493), (121662, 172617), (122413, 171558)]