21963416

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{45007}}^1$

素因数の和:45074

約数の個数: 16

約数和(自身を含む): 41857440

約数和(自身を除く): 19894024

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 45007, 90014, 180028, 360056, 2745427, 5490854, 10981708, 21963416]

約数ペア:

[(1, 21963416), (2, 10981708), (4, 5490854), (8, 2745427), (61, 360056), (122, 180028), (244, 90014), (488, 45007)]