21839700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 64697248

約数和(自身を除く): 42857548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1693, 2150, 2580, 3225, 3386, 4300, 5079, 6450, 6772, 8465, 10158, 12900, 16930, 20316, 25395, 33860, 42325, 50790, 72799, 84650, 101580, 126975, 145598, 169300, 218397, 253950, 291196, 363995, 436794, 507900, 727990, 873588, 1091985, 1455980, 1819975, 2183970, 3639950, 4367940, 5459925, 7279900, 10919850, 21839700]

約数ペア:

[(1, 21839700), (2, 10919850), (3, 7279900), (4, 5459925), (5, 4367940), (6, 3639950), (10, 2183970), (12, 1819975), (15, 1455980), (20, 1091985), (25, 873588), (30, 727990), (43, 507900), (50, 436794), (60, 363995), (75, 291196), (86, 253950), (100, 218397), (129, 169300), (150, 145598), (172, 126975), (215, 101580), (258, 84650), (300, 72799), (430, 50790), (516, 42325), (645, 33860), (860, 25395), (1075, 20316), (1290, 16930), (1693, 12900), (2150, 10158), (2580, 8465), (3225, 6772), (3386, 6450), (4300, 5079)]