21928158

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 80

約数和(自身を含む): 57255264

約数和(自身を除く): 35327106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 81, 122, 126, 162, 183, 189, 317, 366, 378, 427, 549, 567, 634, 854, 951, 1098, 1134, 1281, 1647, 1902, 2219, 2562, 2853, 3294, 3843, 4438, 4941, 5706, 6657, 7686, 8559, 9882, 11529, 13314, 17118, 19337, 19971, 23058, 25677, 34587, 38674, 39942, 51354, 58011, 59913, 69174, 116022, 119826, 135359, 174033, 179739, 270718, 348066, 359478, 406077, 522099, 812154, 1044198, 1218231, 1566297, 2436462, 3132594, 3654693, 7309386, 10964079, 21928158]

約数ペア:

[(1, 21928158), (2, 10964079), (3, 7309386), (6, 3654693), (7, 3132594), (9, 2436462), (14, 1566297), (18, 1218231), (21, 1044198), (27, 812154), (42, 522099), (54, 406077), (61, 359478), (63, 348066), (81, 270718), (122, 179739), (126, 174033), (162, 135359), (183, 119826), (189, 116022), (317, 69174), (366, 59913), (378, 58011), (427, 51354), (549, 39942), (567, 38674), (634, 34587), (854, 25677), (951, 23058), (1098, 19971), (1134, 19337), (1281, 17118), (1647, 13314), (1902, 11529), (2219, 9882), (2562, 8559), (2853, 7686), (3294, 6657), (3843, 5706), (4438, 4941)]