21540675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22093}}^1$

素因数の和:22119

約数の個数: 24

約数和(自身を含む): 38355184

約数和(自身を除く): 16814509

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 22093, 66279, 110465, 287209, 331395, 552325, 861627, 1436045, 1656975, 4308135, 7180225, 21540675]

約数ペア:

[(1, 21540675), (3, 7180225), (5, 4308135), (13, 1656975), (15, 1436045), (25, 861627), (39, 552325), (65, 331395), (75, 287209), (195, 110465), (325, 66279), (975, 22093)]