21416368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21943}}^1$

素因数の和:22012

約数の個数: 20

約数和(自身を含む): 42176368

約数和(自身を除く): 20760000

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21943, 43886, 87772, 175544, 351088, 1338523, 2677046, 5354092, 10708184, 21416368]

約数ペア:

[(1, 21416368), (2, 10708184), (4, 5354092), (8, 2677046), (16, 1338523), (61, 351088), (122, 175544), (244, 87772), (488, 43886), (976, 21943)]