21143356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{659}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 39972240

約数和(自身を除く): 18828884

約数列:

[1, 2, 4, 13, 26, 52, 617, 659, 1234, 1318, 2468, 2636, 8021, 8567, 16042, 17134, 32084, 34268, 406603, 813206, 1626412, 5285839, 10571678, 21143356]

約数ペア:

[(1, 21143356), (2, 10571678), (4, 5285839), (13, 1626412), (26, 813206), (52, 406603), (617, 34268), (659, 32084), (1234, 17134), (1318, 16042), (2468, 8567), (2636, 8021)]