21880452854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{79973}}^1$

素因数の和:80624

約数の個数: 32

約数和(自身を含む): 37485413280

約数和(自身を除く): 15604960426

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 619, 1238, 8047, 10523, 16094, 21046, 79973, 136799, 159946, 273598, 1039649, 1359541, 2079298, 2719082, 17674033, 35348066, 49503287, 99006574, 643542731, 841555879, 1287085462, 1683111758, 10940226427, 21880452854]

約数ペア:

[(1, 21880452854), (2, 10940226427), (13, 1683111758), (17, 1287085462), (26, 841555879), (34, 643542731), (221, 99006574), (442, 49503287), (619, 35348066), (1238, 17674033), (8047, 2719082), (10523, 2079298), (16094, 1359541), (21046, 1039649), (79973, 273598), (136799, 159946)]