21803595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 17611221

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 121, 123, 165, 205, 293, 363, 451, 605, 615, 879, 1353, 1465, 1815, 2255, 3223, 4395, 4961, 6765, 9669, 12013, 14883, 16115, 24805, 35453, 36039, 48345, 60065, 74415, 106359, 132143, 177265, 180195, 396429, 531795, 660715, 1453573, 1982145, 4360719, 7267865, 21803595]

約数ペア:

[(1, 21803595), (3, 7267865), (5, 4360719), (11, 1982145), (15, 1453573), (33, 660715), (41, 531795), (55, 396429), (121, 180195), (123, 177265), (165, 132143), (205, 106359), (293, 74415), (363, 60065), (451, 48345), (605, 36039), (615, 35453), (879, 24805), (1353, 16115), (1465, 14883), (1815, 12013), (2255, 9669), (3223, 6765), (4395, 4961)]