21273240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6113}}^1$

素因数の和:6156

約数の個数: 64

約数和(自身を含む): 66031200

約数和(自身を除く): 44757960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 6113, 12226, 18339, 24452, 30565, 36678, 48904, 61130, 73356, 91695, 122260, 146712, 177277, 183390, 244520, 354554, 366780, 531831, 709108, 733560, 886385, 1063662, 1418216, 1772770, 2127324, 2659155, 3545540, 4254648, 5318310, 7091080, 10636620, 21273240]

約数ペア:

[(1, 21273240), (2, 10636620), (3, 7091080), (4, 5318310), (5, 4254648), (6, 3545540), (8, 2659155), (10, 2127324), (12, 1772770), (15, 1418216), (20, 1063662), (24, 886385), (29, 733560), (30, 709108), (40, 531831), (58, 366780), (60, 354554), (87, 244520), (116, 183390), (120, 177277), (145, 146712), (174, 122260), (232, 91695), (290, 73356), (348, 61130), (435, 48904), (580, 36678), (696, 30565), (870, 24452), (1160, 18339), (1740, 12226), (3480, 6113)]