21313698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{743}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 27540318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 683, 743, 1366, 1486, 2049, 2229, 4098, 4458, 4781, 5201, 9562, 10402, 14343, 15603, 28686, 31206, 507469, 1014938, 1522407, 3044814, 3552283, 7104566, 10656849, 21313698]

約数ペア:

[(1, 21313698), (2, 10656849), (3, 7104566), (6, 3552283), (7, 3044814), (14, 1522407), (21, 1014938), (42, 507469), (683, 31206), (743, 28686), (1366, 15603), (1486, 14343), (2049, 10402), (2229, 9562), (4098, 5201), (4458, 4781)]