21080850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1220

約数の個数: 96

約数和(自身を含む): 63317376

約数和(自身を除く): 42236526

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 75, 85, 102, 105, 119, 150, 170, 175, 210, 238, 255, 350, 357, 425, 510, 525, 595, 714, 850, 1050, 1181, 1190, 1275, 1785, 2362, 2550, 2975, 3543, 3570, 5905, 5950, 7086, 8267, 8925, 11810, 16534, 17715, 17850, 20077, 24801, 29525, 35430, 40154, 41335, 49602, 59050, 60231, 82670, 88575, 100385, 120462, 124005, 140539, 177150, 200770, 206675, 248010, 281078, 301155, 413350, 421617, 501925, 602310, 620025, 702695, 843234, 1003850, 1240050, 1405390, 1505775, 2108085, 3011550, 3513475, 4216170, 7026950, 10540425, 21080850]

約数ペア:

[(1, 21080850), (2, 10540425), (3, 7026950), (5, 4216170), (6, 3513475), (7, 3011550), (10, 2108085), (14, 1505775), (15, 1405390), (17, 1240050), (21, 1003850), (25, 843234), (30, 702695), (34, 620025), (35, 602310), (42, 501925), (50, 421617), (51, 413350), (70, 301155), (75, 281078), (85, 248010), (102, 206675), (105, 200770), (119, 177150), (150, 140539), (170, 124005), (175, 120462), (210, 100385), (238, 88575), (255, 82670), (350, 60231), (357, 59050), (425, 49602), (510, 41335), (525, 40154), (595, 35430), (714, 29525), (850, 24801), (1050, 20077), (1181, 17850), (1190, 17715), (1275, 16534), (1785, 11810), (2362, 8925), (2550, 8267), (2975, 7086), (3543, 5950), (3570, 5905)]