21814380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 80640000

約数和(自身を除く): 58825620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 199, 203, 210, 252, 261, 270, 290, 315, 348, 378, 398, 406, 420, 435, 522, 540, 580, 597, 609, 630, 756, 783, 796, 812, 870, 945, 995, 1015, 1044, 1194, 1218, 1260, 1305, 1393, 1566, 1740, 1791, 1827, 1890, 1990, 2030, 2388, 2436, 2610, 2786, 2985, 3045, 3132, 3582, 3654, 3780, 3915, 3980, 4060, 4179, 5220, 5373, 5481, 5572, 5771, 5970, 6090, 6965, 7164, 7308, 7830, 8358, 8955, 9135, 10746, 10962, 11542, 11940, 12180, 12537, 13930, 15660, 16716, 17313, 17910, 18270, 20895, 21492, 21924, 23084, 25074, 26865, 27405, 27860, 28855, 34626, 35820, 36540, 37611, 40397, 41790, 50148, 51939, 53730, 54810, 57710, 62685, 69252, 75222, 80794, 83580, 86565, 103878, 107460, 109620, 115420, 121191, 125370, 150444, 155817, 161588, 173130, 188055, 201985, 207756, 242382, 250740, 259695, 311634, 346260, 363573, 376110, 403970, 484764, 519390, 605955, 623268, 727146, 752220, 779085, 807940, 1038780, 1090719, 1211910, 1454292, 1558170, 1817865, 2181438, 2423820, 3116340, 3635730, 4362876, 5453595, 7271460, 10907190, 21814380]

約数ペア:

[(1, 21814380), (2, 10907190), (3, 7271460), (4, 5453595), (5, 4362876), (6, 3635730), (7, 3116340), (9, 2423820), (10, 2181438), (12, 1817865), (14, 1558170), (15, 1454292), (18, 1211910), (20, 1090719), (21, 1038780), (27, 807940), (28, 779085), (29, 752220), (30, 727146), (35, 623268), (36, 605955), (42, 519390), (45, 484764), (54, 403970), (58, 376110), (60, 363573), (63, 346260), (70, 311634), (84, 259695), (87, 250740), (90, 242382), (105, 207756), (108, 201985), (116, 188055), (126, 173130), (135, 161588), (140, 155817), (145, 150444), (174, 125370), (180, 121191), (189, 115420), (199, 109620), (203, 107460), (210, 103878), (252, 86565), (261, 83580), (270, 80794), (290, 75222), (315, 69252), (348, 62685), (378, 57710), (398, 54810), (406, 53730), (420, 51939), (435, 50148), (522, 41790), (540, 40397), (580, 37611), (597, 36540), (609, 35820), (630, 34626), (756, 28855), (783, 27860), (796, 27405), (812, 26865), (870, 25074), (945, 23084), (995, 21924), (1015, 21492), (1044, 20895), (1194, 18270), (1218, 17910), (1260, 17313), (1305, 16716), (1393, 15660), (1566, 13930), (1740, 12537), (1791, 12180), (1827, 11940), (1890, 11542), (1990, 10962), (2030, 10746), (2388, 9135), (2436, 8955), (2610, 8358), (2786, 7830), (2985, 7308), (3045, 7164), (3132, 6965), (3582, 6090), (3654, 5970), (3780, 5771), (3915, 5572), (3980, 5481), (4060, 5373), (4179, 5220)]