21011068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8597}}^1$

素因数の和:8661

約数の個数: 24

約数和(自身を含む): 40444992

約数和(自身を除く): 19433924

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8597, 17194, 34388, 111761, 223522, 404059, 447044, 808118, 1616236, 5252767, 10505534, 21011068]

約数ペア:

[(1, 21011068), (2, 10505534), (4, 5252767), (13, 1616236), (26, 808118), (47, 447044), (52, 404059), (94, 223522), (188, 111761), (611, 34388), (1222, 17194), (2444, 8597)]