21210761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6449}}^1$

素因数の和:6496

約数の個数: 16

約数和(自身を含む): 26006400

約数和(自身を除く): 4795639

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6449, 70939, 83837, 148327, 922207, 1631597, 1928251, 21210761]

約数ペア:

[(1, 21210761), (11, 1928251), (13, 1631597), (23, 922207), (143, 148327), (253, 83837), (299, 70939), (3289, 6449)]