21572218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 14328710

約数列:

[1, 2, 17, 31, 34, 62, 97, 194, 211, 422, 527, 1054, 1649, 3007, 3298, 3587, 6014, 6541, 7174, 13082, 20467, 40934, 51119, 102238, 111197, 222394, 347939, 634477, 695878, 1268954, 10786109, 21572218]

約数ペア:

[(1, 21572218), (2, 10786109), (17, 1268954), (31, 695878), (34, 634477), (62, 347939), (97, 222394), (194, 111197), (211, 102238), (422, 51119), (527, 40934), (1054, 20467), (1649, 13082), (3007, 7174), (3298, 6541), (3587, 6014)]