21167300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2749}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 57288000

約数和(自身を除く): 36120700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2749, 3850, 5498, 7700, 10996, 13745, 19243, 27490, 30239, 38486, 54980, 60478, 68725, 76972, 96215, 120956, 137450, 151195, 192430, 211673, 274900, 302390, 384860, 423346, 481075, 604780, 755975, 846692, 962150, 1058365, 1511950, 1924300, 2116730, 3023900, 4233460, 5291825, 10583650, 21167300]

約数ペア:

[(1, 21167300), (2, 10583650), (4, 5291825), (5, 4233460), (7, 3023900), (10, 2116730), (11, 1924300), (14, 1511950), (20, 1058365), (22, 962150), (25, 846692), (28, 755975), (35, 604780), (44, 481075), (50, 423346), (55, 384860), (70, 302390), (77, 274900), (100, 211673), (110, 192430), (140, 151195), (154, 137450), (175, 120956), (220, 96215), (275, 76972), (308, 68725), (350, 60478), (385, 54980), (550, 38486), (700, 30239), (770, 27490), (1100, 19243), (1540, 13745), (1925, 10996), (2749, 7700), (3850, 5498)]