21536900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2797}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 58287936

約数和(自身を除く): 36751036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2797, 3850, 5594, 7700, 11188, 13985, 19579, 27970, 30767, 39158, 55940, 61534, 69925, 78316, 97895, 123068, 139850, 153835, 195790, 215369, 279700, 307670, 391580, 430738, 489475, 615340, 769175, 861476, 978950, 1076845, 1538350, 1957900, 2153690, 3076700, 4307380, 5384225, 10768450, 21536900]

約数ペア:

[(1, 21536900), (2, 10768450), (4, 5384225), (5, 4307380), (7, 3076700), (10, 2153690), (11, 1957900), (14, 1538350), (20, 1076845), (22, 978950), (25, 861476), (28, 769175), (35, 615340), (44, 489475), (50, 430738), (55, 391580), (70, 307670), (77, 279700), (100, 215369), (110, 195790), (140, 153835), (154, 139850), (175, 123068), (220, 97895), (275, 78316), (308, 69925), (350, 61534), (385, 55940), (550, 39158), (700, 30767), (770, 27970), (1100, 19579), (1540, 13985), (1925, 11188), (2797, 7700), (3850, 5594)]