21797464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6811

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 23643176

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6761, 13522, 27044, 54088, 87893, 175786, 209591, 351572, 419182, 703144, 838364, 1676728, 2724683, 5449366, 10898732, 21797464]

約数ペア:

[(1, 21797464), (2, 10898732), (4, 5449366), (8, 2724683), (13, 1676728), (26, 838364), (31, 703144), (52, 419182), (62, 351572), (104, 209591), (124, 175786), (248, 87893), (403, 54088), (806, 27044), (1612, 13522), (3224, 6761)]