21904272

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11701}}^1$

素因数の和:11728

約数の個数: 60

約数和(自身を含む): 66022684

約数和(自身を除く): 44118412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11701, 23402, 35103, 46804, 70206, 93608, 105309, 140412, 152113, 187216, 210618, 280824, 304226, 421236, 456339, 561648, 608452, 842472, 912678, 1216904, 1369017, 1684944, 1825356, 2433808, 2738034, 3650712, 5476068, 7301424, 10952136, 21904272]

約数ペア:

[(1, 21904272), (2, 10952136), (3, 7301424), (4, 5476068), (6, 3650712), (8, 2738034), (9, 2433808), (12, 1825356), (13, 1684944), (16, 1369017), (18, 1216904), (24, 912678), (26, 842472), (36, 608452), (39, 561648), (48, 456339), (52, 421236), (72, 304226), (78, 280824), (104, 210618), (117, 187216), (144, 152113), (156, 140412), (208, 105309), (234, 93608), (312, 70206), (468, 46804), (624, 35103), (936, 23402), (1872, 11701)]