21771300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2341}}^1$

素因数の和:2389

約数の個数: 72

約数和(自身を含む): 65051392

約数和(自身を除く): 43280092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 2341, 3100, 4650, 4682, 7023, 9300, 9364, 11705, 14046, 23410, 28092, 35115, 46820, 58525, 70230, 72571, 117050, 140460, 145142, 175575, 217713, 234100, 290284, 351150, 362855, 435426, 702300, 725710, 870852, 1088565, 1451420, 1814275, 2177130, 3628550, 4354260, 5442825, 7257100, 10885650, 21771300]

約数ペア:

[(1, 21771300), (2, 10885650), (3, 7257100), (4, 5442825), (5, 4354260), (6, 3628550), (10, 2177130), (12, 1814275), (15, 1451420), (20, 1088565), (25, 870852), (30, 725710), (31, 702300), (50, 435426), (60, 362855), (62, 351150), (75, 290284), (93, 234100), (100, 217713), (124, 175575), (150, 145142), (155, 140460), (186, 117050), (300, 72571), (310, 70230), (372, 58525), (465, 46820), (620, 35115), (775, 28092), (930, 23410), (1550, 14046), (1860, 11705), (2325, 9364), (2341, 9300), (3100, 7023), (4650, 4682)]