21397950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6793}}^1$

素因数の和:6818

約数の個数: 72

約数和(自身を含む): 65711568

約数和(自身を除く): 44313618

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6793, 13586, 20379, 33965, 40758, 47551, 61137, 67930, 95102, 101895, 122274, 142653, 169825, 203790, 237755, 285306, 305685, 339650, 427959, 475510, 509475, 611370, 713265, 855918, 1018950, 1188775, 1426530, 1528425, 2139795, 2377550, 3056850, 3566325, 4279590, 7132650, 10698975, 21397950]

約数ペア:

[(1, 21397950), (2, 10698975), (3, 7132650), (5, 4279590), (6, 3566325), (7, 3056850), (9, 2377550), (10, 2139795), (14, 1528425), (15, 1426530), (18, 1188775), (21, 1018950), (25, 855918), (30, 713265), (35, 611370), (42, 509475), (45, 475510), (50, 427959), (63, 339650), (70, 305685), (75, 285306), (90, 237755), (105, 203790), (126, 169825), (150, 142653), (175, 122274), (210, 101895), (225, 95102), (315, 67930), (350, 61137), (450, 47551), (525, 40758), (630, 33965), (1050, 20379), (1575, 13586), (3150, 6793)]