21200224

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38971}}^1$

素因数の和:38998

約数の個数: 24

約数和(自身を含む): 44194248

約数和(自身を除く): 22994024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38971, 77942, 155884, 311768, 623536, 662507, 1247072, 1325014, 2650028, 5300056, 10600112, 21200224]

約数ペア:

[(1, 21200224), (2, 10600112), (4, 5300056), (8, 2650028), (16, 1325014), (17, 1247072), (32, 662507), (34, 623536), (68, 311768), (136, 155884), (272, 77942), (544, 38971)]