21031626243

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{30931}}^1$

素因数の和:31183

約数の個数: 32

約数和(自身を含む): 30090649600

約数和(自身を除く): 9059023357

約数列:

[1, 3, 19, 57, 79, 151, 237, 453, 1501, 2869, 4503, 8607, 11929, 30931, 35787, 92793, 226651, 587689, 679953, 1763067, 2443549, 4670581, 7330647, 14011743, 46427431, 88741039, 139282293, 266223117, 368975899, 1106927697, 7010542081, 21031626243]

約数ペア:

[(1, 21031626243), (3, 7010542081), (19, 1106927697), (57, 368975899), (79, 266223117), (151, 139282293), (237, 88741039), (453, 46427431), (1501, 14011743), (2869, 7330647), (4503, 4670581), (8607, 2443549), (11929, 1763067), (30931, 679953), (35787, 587689), (92793, 226651)]