21473464

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 41515200

約数和(自身を除く): 20041736

約数列:

[1, 2, 4, 8, 61, 79, 122, 158, 244, 316, 488, 557, 632, 1114, 2228, 4456, 4819, 9638, 19276, 33977, 38552, 44003, 67954, 88006, 135908, 176012, 271816, 352024, 2684183, 5368366, 10736732, 21473464]

約数ペア:

[(1, 21473464), (2, 10736732), (4, 5368366), (8, 2684183), (61, 352024), (79, 271816), (122, 176012), (158, 135908), (244, 88006), (316, 67954), (488, 44003), (557, 38552), (632, 33977), (1114, 19276), (2228, 9638), (4456, 4819)]