21096244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21804236

約数列:

[1, 2, 4, 13, 23, 26, 31, 46, 52, 62, 92, 124, 299, 403, 569, 598, 713, 806, 1138, 1196, 1426, 1612, 2276, 2852, 7397, 9269, 13087, 14794, 17639, 18538, 26174, 29588, 35278, 37076, 52348, 70556, 170131, 229307, 340262, 405697, 458614, 680524, 811394, 917228, 1622788, 5274061, 10548122, 21096244]

約数ペア:

[(1, 21096244), (2, 10548122), (4, 5274061), (13, 1622788), (23, 917228), (26, 811394), (31, 680524), (46, 458614), (52, 405697), (62, 340262), (92, 229307), (124, 170131), (299, 70556), (403, 52348), (569, 37076), (598, 35278), (713, 29588), (806, 26174), (1138, 18538), (1196, 17639), (1426, 14794), (1612, 13087), (2276, 9269), (2852, 7397)]