21370076

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8387}}^1$

素因数の和:8418

約数の個数: 36

約数和(自身を含む): 46855368

約数和(自身を除く): 25485292

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8387, 16774, 33548, 58709, 109031, 117418, 218062, 234836, 410963, 436124, 763217, 821926, 1526434, 1643852, 3052868, 5342519, 10685038, 21370076]

約数ペア:

[(1, 21370076), (2, 10685038), (4, 5342519), (7, 3052868), (13, 1643852), (14, 1526434), (26, 821926), (28, 763217), (49, 436124), (52, 410963), (91, 234836), (98, 218062), (182, 117418), (196, 109031), (364, 58709), (637, 33548), (1274, 16774), (2548, 8387)]