21457891332

素因数分解:

$2^2\times 3^3\times {\mathrm{293}}^1\times {\mathrm{678103}}^1$

素因数の和:678409

約数の個数: 48

約数和(自身を含む): 55821521280

約数和(自身を除く): 34363629948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 293, 586, 879, 1172, 1758, 2637, 3516, 5274, 7911, 10548, 15822, 31644, 678103, 1356206, 2034309, 2712412, 4068618, 6102927, 8137236, 12205854, 18308781, 24411708, 36617562, 73235124, 198684179, 397368358, 596052537, 794736716, 1192105074, 1788157611, 2384210148, 3576315222, 5364472833, 7152630444, 10728945666, 21457891332]

約数ペア:

[(1, 21457891332), (2, 10728945666), (3, 7152630444), (4, 5364472833), (6, 3576315222), (9, 2384210148), (12, 1788157611), (18, 1192105074), (27, 794736716), (36, 596052537), (54, 397368358), (108, 198684179), (293, 73235124), (586, 36617562), (879, 24411708), (1172, 18308781), (1758, 12205854), (2637, 8137236), (3516, 6102927), (5274, 4068618), (7911, 2712412), (10548, 2034309), (15822, 1356206), (31644, 678103)]