16821604

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 30373056

約数和(自身を除く): 13551452

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 971, 1942, 3884, 4331, 8662, 17324, 59231, 68941, 118462, 137882, 236924, 275764, 4205401, 8410802, 16821604]

約数ペア:

[(1, 16821604), (2, 8410802), (4, 4205401), (61, 275764), (71, 236924), (122, 137882), (142, 118462), (244, 68941), (284, 59231), (971, 17324), (1942, 8662), (3884, 4331)]