21151095

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4111}}^1$

素因数の和:4140

約数の個数: 32

約数和(自身を含む): 39475200

約数和(自身を除く): 18324105

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4111, 5145, 12333, 20555, 28777, 61665, 86331, 143885, 201439, 431655, 604317, 1007195, 1410073, 3021585, 4230219, 7050365, 21151095]

約数ペア:

[(1, 21151095), (3, 7050365), (5, 4230219), (7, 3021585), (15, 1410073), (21, 1007195), (35, 604317), (49, 431655), (105, 201439), (147, 143885), (245, 86331), (343, 61665), (735, 28777), (1029, 20555), (1715, 12333), (4111, 5145)]