21333900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10159}}^1$

素因数の和:10183

約数の個数: 72

約数和(自身を含む): 70551040

約数和(自身を除く): 49217140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10159, 20318, 30477, 40636, 50795, 60954, 71113, 101590, 121908, 142226, 152385, 203180, 213339, 253975, 284452, 304770, 355565, 426678, 507950, 609540, 711130, 761925, 853356, 1015900, 1066695, 1422260, 1523850, 1777825, 2133390, 3047700, 3555650, 4266780, 5333475, 7111300, 10666950, 21333900]

約数ペア:

[(1, 21333900), (2, 10666950), (3, 7111300), (4, 5333475), (5, 4266780), (6, 3555650), (7, 3047700), (10, 2133390), (12, 1777825), (14, 1523850), (15, 1422260), (20, 1066695), (21, 1015900), (25, 853356), (28, 761925), (30, 711130), (35, 609540), (42, 507950), (50, 426678), (60, 355565), (70, 304770), (75, 284452), (84, 253975), (100, 213339), (105, 203180), (140, 152385), (150, 142226), (175, 121908), (210, 101590), (300, 71113), (350, 60954), (420, 50795), (525, 40636), (700, 30477), (1050, 20318), (2100, 10159)]