21165036

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 51493344

約数和(自身を除く): 30328308

約数列:

[1, 2, 3, 4, 6, 12, 37, 73, 74, 111, 146, 148, 219, 222, 292, 438, 444, 653, 876, 1306, 1959, 2612, 2701, 3918, 5402, 7836, 8103, 10804, 16206, 24161, 32412, 47669, 48322, 72483, 95338, 96644, 143007, 144966, 190676, 286014, 289932, 572028, 1763753, 3527506, 5291259, 7055012, 10582518, 21165036]

約数ペア:

[(1, 21165036), (2, 10582518), (3, 7055012), (4, 5291259), (6, 3527506), (12, 1763753), (37, 572028), (73, 289932), (74, 286014), (111, 190676), (146, 144966), (148, 143007), (219, 96644), (222, 95338), (292, 72483), (438, 48322), (444, 47669), (653, 32412), (876, 24161), (1306, 16206), (1959, 10804), (2612, 8103), (2701, 7836), (3918, 5402)]