21601860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 72791040

約数和(自身を除く): 51189180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 2707, 3990, 5414, 7980, 8121, 10828, 13535, 16242, 18949, 27070, 32484, 37898, 40605, 51433, 54140, 56847, 75796, 81210, 94745, 102866, 113694, 154299, 162420, 189490, 205732, 227388, 257165, 284235, 308598, 360031, 378980, 514330, 568470, 617196, 720062, 771495, 1028660, 1080093, 1136940, 1440124, 1542990, 1800155, 2160186, 3085980, 3600310, 4320372, 5400465, 7200620, 10800930, 21601860]

約数ペア:

[(1, 21601860), (2, 10800930), (3, 7200620), (4, 5400465), (5, 4320372), (6, 3600310), (7, 3085980), (10, 2160186), (12, 1800155), (14, 1542990), (15, 1440124), (19, 1136940), (20, 1080093), (21, 1028660), (28, 771495), (30, 720062), (35, 617196), (38, 568470), (42, 514330), (57, 378980), (60, 360031), (70, 308598), (76, 284235), (84, 257165), (95, 227388), (105, 205732), (114, 189490), (133, 162420), (140, 154299), (190, 113694), (210, 102866), (228, 94745), (266, 81210), (285, 75796), (380, 56847), (399, 54140), (420, 51433), (532, 40605), (570, 37898), (665, 32484), (798, 27070), (1140, 18949), (1330, 16242), (1596, 13535), (1995, 10828), (2660, 8121), (2707, 7980), (3990, 5414)]