40051221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{100379}}^1$

素因数の和:100408

約数の個数: 16

約数和(自身を含む): 64243200

約数和(自身を除く): 24191979

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 100379, 301137, 702653, 1907201, 2107959, 5721603, 13350407, 40051221]

約数ペア:

[(1, 40051221), (3, 13350407), (7, 5721603), (19, 2107959), (21, 1907201), (57, 702653), (133, 301137), (399, 100379)]