21450468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7237}}^1$

素因数の和:7276

約数の個数: 48

約数和(自身を含む): 56745920

約数和(自身を除く): 35295452

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7237, 14474, 21711, 28948, 43422, 86844, 94081, 137503, 188162, 275006, 282243, 376324, 412509, 550012, 564486, 825018, 1128972, 1650036, 1787539, 3575078, 5362617, 7150156, 10725234, 21450468]

約数ペア:

[(1, 21450468), (2, 10725234), (3, 7150156), (4, 5362617), (6, 3575078), (12, 1787539), (13, 1650036), (19, 1128972), (26, 825018), (38, 564486), (39, 550012), (52, 412509), (57, 376324), (76, 282243), (78, 275006), (114, 188162), (156, 137503), (228, 94081), (247, 86844), (494, 43422), (741, 28948), (988, 21711), (1482, 14474), (2964, 7237)]