21245871117

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{89107}}^1$

素因数の和:89265

約数の個数: 32

約数和(自身を含む): 30795724800

約数和(自身を除く): 9549853683

約数列:

[1, 3, 19, 47, 57, 89, 141, 267, 893, 1691, 2679, 4183, 5073, 12549, 79477, 89107, 238431, 267321, 1693033, 4188029, 5079099, 7930523, 12564087, 23791569, 79572551, 150679937, 238717653, 372734581, 452039811, 1118203743, 7081957039, 21245871117]

約数ペア:

[(1, 21245871117), (3, 7081957039), (19, 1118203743), (47, 452039811), (57, 372734581), (89, 238717653), (141, 150679937), (267, 79572551), (893, 23791569), (1691, 12564087), (2679, 7930523), (4183, 5079099), (5073, 4188029), (12549, 1693033), (79477, 267321), (89107, 238431)]