21345120

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{61}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 76870080

約数和(自身を除く): 55524960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 243, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 486, 488, 540, 549, 610, 648, 720, 729, 732, 810, 864, 915, 972, 976, 1080, 1098, 1215, 1220, 1296, 1440, 1458, 1464, 1620, 1647, 1830, 1944, 1952, 2160, 2187, 2196, 2430, 2440, 2592, 2745, 2916, 2928, 3240, 3294, 3645, 3660, 3888, 4320, 4374, 4392, 4860, 4880, 4941, 5490, 5832, 5856, 6480, 6588, 7290, 7320, 7776, 8235, 8748, 8784, 9720, 9760, 9882, 10935, 10980, 11664, 12960, 13176, 14580, 14640, 14823, 16470, 17496, 17568, 19440, 19764, 21870, 21960, 23328, 24705, 26352, 29160, 29280, 29646, 32940, 34992, 38880, 39528, 43740, 43920, 44469, 49410, 52704, 58320, 59292, 65880, 69984, 74115, 79056, 87480, 87840, 88938, 98820, 116640, 118584, 131760, 133407, 148230, 158112, 174960, 177876, 197640, 222345, 237168, 263520, 266814, 296460, 349920, 355752, 395280, 444690, 474336, 533628, 592920, 667035, 711504, 790560, 889380, 1067256, 1185840, 1334070, 1423008, 1778760, 2134512, 2371680, 2668140, 3557520, 4269024, 5336280, 7115040, 10672560, 21345120]

約数ペア:

[(1, 21345120), (2, 10672560), (3, 7115040), (4, 5336280), (5, 4269024), (6, 3557520), (8, 2668140), (9, 2371680), (10, 2134512), (12, 1778760), (15, 1423008), (16, 1334070), (18, 1185840), (20, 1067256), (24, 889380), (27, 790560), (30, 711504), (32, 667035), (36, 592920), (40, 533628), (45, 474336), (48, 444690), (54, 395280), (60, 355752), (61, 349920), (72, 296460), (80, 266814), (81, 263520), (90, 237168), (96, 222345), (108, 197640), (120, 177876), (122, 174960), (135, 158112), (144, 148230), (160, 133407), (162, 131760), (180, 118584), (183, 116640), (216, 98820), (240, 88938), (243, 87840), (244, 87480), (270, 79056), (288, 74115), (305, 69984), (324, 65880), (360, 59292), (366, 58320), (405, 52704), (432, 49410), (480, 44469), (486, 43920), (488, 43740), (540, 39528), (549, 38880), (610, 34992), (648, 32940), (720, 29646), (729, 29280), (732, 29160), (810, 26352), (864, 24705), (915, 23328), (972, 21960), (976, 21870), (1080, 19764), (1098, 19440), (1215, 17568), (1220, 17496), (1296, 16470), (1440, 14823), (1458, 14640), (1464, 14580), (1620, 13176), (1647, 12960), (1830, 11664), (1944, 10980), (1952, 10935), (2160, 9882), (2187, 9760), (2196, 9720), (2430, 8784), (2440, 8748), (2592, 8235), (2745, 7776), (2916, 7320), (2928, 7290), (3240, 6588), (3294, 6480), (3645, 5856), (3660, 5832), (3888, 5490), (4320, 4941), (4374, 4880), (4392, 4860)]