21319424

素因数分解:

$2^8\times 7^1\times {\mathrm{11897}}^1$

素因数の和:11920

約数の個数: 36

約数和(自身を含む): 48639024

約数和(自身を除く): 27319600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11897, 23794, 47588, 83279, 95176, 166558, 190352, 333116, 380704, 666232, 761408, 1332464, 1522816, 2664928, 3045632, 5329856, 10659712, 21319424]

約数ペア:

[(1, 21319424), (2, 10659712), (4, 5329856), (7, 3045632), (8, 2664928), (14, 1522816), (16, 1332464), (28, 761408), (32, 666232), (56, 380704), (64, 333116), (112, 190352), (128, 166558), (224, 95176), (256, 83279), (448, 47588), (896, 23794), (1792, 11897)]