21476848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3433}}^1$

素因数の和:3481

約数の個数: 40

約数和(自身を含む): 45988128

約数和(自身を除く): 24511280

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3433, 6256, 6866, 13732, 27464, 54928, 58361, 78959, 116722, 157918, 233444, 315836, 466888, 631672, 933776, 1263344, 1342303, 2684606, 5369212, 10738424, 21476848]

約数ペア:

[(1, 21476848), (2, 10738424), (4, 5369212), (8, 2684606), (16, 1342303), (17, 1263344), (23, 933776), (34, 631672), (46, 466888), (68, 315836), (92, 233444), (136, 157918), (184, 116722), (272, 78959), (368, 58361), (391, 54928), (782, 27464), (1564, 13732), (3128, 6866), (3433, 6256)]