21917700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^3\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 81244800

約数和(自身を除く): 59327100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 71, 75, 84, 90, 98, 100, 105, 126, 140, 142, 147, 150, 175, 180, 196, 210, 213, 225, 245, 252, 284, 294, 300, 315, 343, 350, 355, 420, 426, 441, 450, 490, 497, 525, 588, 630, 639, 686, 700, 710, 735, 852, 882, 900, 980, 994, 1029, 1050, 1065, 1225, 1260, 1278, 1372, 1420, 1470, 1491, 1575, 1715, 1764, 1775, 1988, 2058, 2100, 2130, 2205, 2450, 2485, 2556, 2940, 2982, 3087, 3150, 3195, 3430, 3479, 3550, 3675, 4116, 4260, 4410, 4473, 4900, 4970, 5145, 5325, 5964, 6174, 6300, 6390, 6860, 6958, 7100, 7350, 7455, 8575, 8820, 8946, 9940, 10290, 10437, 10650, 11025, 12348, 12425, 12780, 13916, 14700, 14910, 15435, 15975, 17150, 17395, 17892, 20580, 20874, 21300, 22050, 22365, 24353, 24850, 25725, 29820, 30870, 31311, 31950, 34300, 34790, 37275, 41748, 44100, 44730, 48706, 49700, 51450, 52185, 61740, 62622, 63900, 69580, 73059, 74550, 77175, 86975, 89460, 97412, 102900, 104370, 111825, 121765, 125244, 146118, 149100, 154350, 156555, 173950, 208740, 219177, 223650, 243530, 260925, 292236, 308700, 313110, 347900, 365295, 438354, 447300, 487060, 521850, 608825, 626220, 730590, 782775, 876708, 1043700, 1095885, 1217650, 1461180, 1565550, 1826475, 2191770, 2435300, 3131100, 3652950, 4383540, 5479425, 7305900, 10958850, 21917700]

約数ペア:

[(1, 21917700), (2, 10958850), (3, 7305900), (4, 5479425), (5, 4383540), (6, 3652950), (7, 3131100), (9, 2435300), (10, 2191770), (12, 1826475), (14, 1565550), (15, 1461180), (18, 1217650), (20, 1095885), (21, 1043700), (25, 876708), (28, 782775), (30, 730590), (35, 626220), (36, 608825), (42, 521850), (45, 487060), (49, 447300), (50, 438354), (60, 365295), (63, 347900), (70, 313110), (71, 308700), (75, 292236), (84, 260925), (90, 243530), (98, 223650), (100, 219177), (105, 208740), (126, 173950), (140, 156555), (142, 154350), (147, 149100), (150, 146118), (175, 125244), (180, 121765), (196, 111825), (210, 104370), (213, 102900), (225, 97412), (245, 89460), (252, 86975), (284, 77175), (294, 74550), (300, 73059), (315, 69580), (343, 63900), (350, 62622), (355, 61740), (420, 52185), (426, 51450), (441, 49700), (450, 48706), (490, 44730), (497, 44100), (525, 41748), (588, 37275), (630, 34790), (639, 34300), (686, 31950), (700, 31311), (710, 30870), (735, 29820), (852, 25725), (882, 24850), (900, 24353), (980, 22365), (994, 22050), (1029, 21300), (1050, 20874), (1065, 20580), (1225, 17892), (1260, 17395), (1278, 17150), (1372, 15975), (1420, 15435), (1470, 14910), (1491, 14700), (1575, 13916), (1715, 12780), (1764, 12425), (1775, 12348), (1988, 11025), (2058, 10650), (2100, 10437), (2130, 10290), (2205, 9940), (2450, 8946), (2485, 8820), (2556, 8575), (2940, 7455), (2982, 7350), (3087, 7100), (3150, 6958), (3195, 6860), (3430, 6390), (3479, 6300), (3550, 6174), (3675, 5964), (4116, 5325), (4260, 5145), (4410, 4970), (4473, 4900)]