21905808

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{11131}}^1$

素因数の和:11183

約数の個数: 40

約数和(自身を含む): 57975456

約数和(自身を除く): 36069648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 11131, 22262, 33393, 44524, 66786, 89048, 133572, 178096, 267144, 456371, 534288, 912742, 1369113, 1825484, 2738226, 3650968, 5476452, 7301936, 10952904, 21905808]

約数ペア:

[(1, 21905808), (2, 10952904), (3, 7301936), (4, 5476452), (6, 3650968), (8, 2738226), (12, 1825484), (16, 1369113), (24, 912742), (41, 534288), (48, 456371), (82, 267144), (123, 178096), (164, 133572), (246, 89048), (328, 66786), (492, 44524), (656, 33393), (984, 22262), (1968, 11131)]