21899640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 80271360

約数和(自身を除く): 58371720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 56, 58, 60, 62, 70, 84, 87, 93, 105, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 248, 280, 290, 310, 348, 372, 406, 420, 434, 435, 465, 580, 609, 620, 651, 696, 744, 812, 840, 841, 868, 870, 899, 930, 1015, 1085, 1160, 1218, 1240, 1302, 1624, 1682, 1736, 1740, 1798, 1860, 2030, 2170, 2436, 2523, 2604, 2697, 3045, 3255, 3364, 3480, 3596, 3720, 4060, 4205, 4340, 4495, 4872, 5046, 5208, 5394, 5887, 6090, 6293, 6510, 6728, 7192, 8120, 8410, 8680, 8990, 10092, 10788, 11774, 12180, 12586, 12615, 13020, 13485, 16820, 17661, 17980, 18879, 20184, 21576, 23548, 24360, 25172, 25230, 26040, 26071, 26970, 29435, 31465, 33640, 35322, 35960, 37758, 47096, 50344, 50460, 52142, 53940, 58870, 62930, 70644, 75516, 78213, 88305, 94395, 100920, 104284, 107880, 117740, 125860, 130355, 141288, 151032, 156426, 176610, 182497, 188790, 208568, 235480, 251720, 260710, 312852, 353220, 364994, 377580, 391065, 521420, 547491, 625704, 706440, 729988, 755160, 782130, 912485, 1042840, 1094982, 1459976, 1564260, 1824970, 2189964, 2737455, 3128520, 3649940, 4379928, 5474910, 7299880, 10949820, 21899640]

約数ペア:

[(1, 21899640), (2, 10949820), (3, 7299880), (4, 5474910), (5, 4379928), (6, 3649940), (7, 3128520), (8, 2737455), (10, 2189964), (12, 1824970), (14, 1564260), (15, 1459976), (20, 1094982), (21, 1042840), (24, 912485), (28, 782130), (29, 755160), (30, 729988), (31, 706440), (35, 625704), (40, 547491), (42, 521420), (56, 391065), (58, 377580), (60, 364994), (62, 353220), (70, 312852), (84, 260710), (87, 251720), (93, 235480), (105, 208568), (116, 188790), (120, 182497), (124, 176610), (140, 156426), (145, 151032), (155, 141288), (168, 130355), (174, 125860), (186, 117740), (203, 107880), (210, 104284), (217, 100920), (232, 94395), (248, 88305), (280, 78213), (290, 75516), (310, 70644), (348, 62930), (372, 58870), (406, 53940), (420, 52142), (434, 50460), (435, 50344), (465, 47096), (580, 37758), (609, 35960), (620, 35322), (651, 33640), (696, 31465), (744, 29435), (812, 26970), (840, 26071), (841, 26040), (868, 25230), (870, 25172), (899, 24360), (930, 23548), (1015, 21576), (1085, 20184), (1160, 18879), (1218, 17980), (1240, 17661), (1302, 16820), (1624, 13485), (1682, 13020), (1736, 12615), (1740, 12586), (1798, 12180), (1860, 11774), (2030, 10788), (2170, 10092), (2436, 8990), (2523, 8680), (2604, 8410), (2697, 8120), (3045, 7192), (3255, 6728), (3364, 6510), (3480, 6293), (3596, 6090), (3720, 5887), (4060, 5394), (4205, 5208), (4340, 5046), (4495, 4872)]