21428952

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4933}}^1$

素因数の和:5123

約数の個数: 32

約数和(自身を含む): 53879280

約数和(自身を除く): 32450328

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4933, 9866, 14799, 19732, 29598, 39464, 59196, 118392, 892873, 1785746, 2678619, 3571492, 5357238, 7142984, 10714476, 21428952]

約数ペア:

[(1, 21428952), (2, 10714476), (3, 7142984), (4, 5357238), (6, 3571492), (8, 2678619), (12, 1785746), (24, 892873), (181, 118392), (362, 59196), (543, 39464), (724, 29598), (1086, 19732), (1448, 14799), (2172, 9866), (4344, 4933)]