21454472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3079}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 43982400

約数和(自身を除く): 22527928

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3079, 3484, 6158, 6968, 12316, 24632, 40027, 80054, 160108, 206293, 320216, 412586, 825172, 1650344, 2681809, 5363618, 10727236, 21454472]

約数ペア:

[(1, 21454472), (2, 10727236), (4, 5363618), (8, 2681809), (13, 1650344), (26, 825172), (52, 412586), (67, 320216), (104, 206293), (134, 160108), (268, 80054), (536, 40027), (871, 24632), (1742, 12316), (3079, 6968), (3484, 6158)]