21917944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3517}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 44326800

約数和(自身を除く): 22408856

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3517, 6232, 7034, 14068, 28136, 66823, 133646, 144197, 267292, 288394, 534584, 576788, 1153576, 2739743, 5479486, 10958972, 21917944]

約数ペア:

[(1, 21917944), (2, 10958972), (4, 5479486), (8, 2739743), (19, 1153576), (38, 576788), (41, 534584), (76, 288394), (82, 267292), (152, 144197), (164, 133646), (328, 66823), (779, 28136), (1558, 14068), (3116, 7034), (3517, 6232)]