21239328

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20113}}^1$

素因数の和:20137

約数の個数: 48

約数和(自身を含む): 60824736

約数和(自身を除く): 39585408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20113, 40226, 60339, 80452, 120678, 160904, 221243, 241356, 321808, 442486, 482712, 643616, 663729, 884972, 965424, 1327458, 1769944, 1930848, 2654916, 3539888, 5309832, 7079776, 10619664, 21239328]

約数ペア:

[(1, 21239328), (2, 10619664), (3, 7079776), (4, 5309832), (6, 3539888), (8, 2654916), (11, 1930848), (12, 1769944), (16, 1327458), (22, 965424), (24, 884972), (32, 663729), (33, 643616), (44, 482712), (48, 442486), (66, 321808), (88, 241356), (96, 221243), (132, 160904), (176, 120678), (264, 80452), (352, 60339), (528, 40226), (1056, 20113)]