21116640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 72394560

約数和(自身を除く): 51277920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 37, 40, 41, 48, 58, 60, 74, 80, 82, 87, 96, 111, 116, 120, 123, 145, 148, 160, 164, 174, 185, 205, 222, 232, 240, 246, 290, 296, 328, 348, 370, 410, 435, 444, 464, 480, 492, 555, 580, 592, 615, 656, 696, 740, 820, 870, 888, 928, 984, 1073, 1110, 1160, 1184, 1189, 1230, 1312, 1392, 1480, 1517, 1640, 1740, 1776, 1968, 2146, 2220, 2320, 2378, 2460, 2784, 2960, 3034, 3219, 3280, 3480, 3552, 3567, 3936, 4292, 4440, 4551, 4640, 4756, 4920, 5365, 5920, 5945, 6068, 6438, 6560, 6960, 7134, 7585, 8584, 8880, 9102, 9512, 9840, 10730, 11890, 12136, 12876, 13920, 14268, 15170, 16095, 17168, 17760, 17835, 18204, 19024, 19680, 21460, 22755, 23780, 24272, 25752, 28536, 30340, 32190, 34336, 35670, 36408, 38048, 42920, 43993, 45510, 47560, 48544, 51504, 57072, 60680, 64380, 71340, 72816, 85840, 87986, 91020, 95120, 103008, 114144, 121360, 128760, 131979, 142680, 145632, 171680, 175972, 182040, 190240, 219965, 242720, 257520, 263958, 285360, 351944, 364080, 439930, 515040, 527916, 570720, 659895, 703888, 728160, 879860, 1055832, 1319790, 1407776, 1759720, 2111664, 2639580, 3519440, 4223328, 5279160, 7038880, 10558320, 21116640]

約数ペア:

[(1, 21116640), (2, 10558320), (3, 7038880), (4, 5279160), (5, 4223328), (6, 3519440), (8, 2639580), (10, 2111664), (12, 1759720), (15, 1407776), (16, 1319790), (20, 1055832), (24, 879860), (29, 728160), (30, 703888), (32, 659895), (37, 570720), (40, 527916), (41, 515040), (48, 439930), (58, 364080), (60, 351944), (74, 285360), (80, 263958), (82, 257520), (87, 242720), (96, 219965), (111, 190240), (116, 182040), (120, 175972), (123, 171680), (145, 145632), (148, 142680), (160, 131979), (164, 128760), (174, 121360), (185, 114144), (205, 103008), (222, 95120), (232, 91020), (240, 87986), (246, 85840), (290, 72816), (296, 71340), (328, 64380), (348, 60680), (370, 57072), (410, 51504), (435, 48544), (444, 47560), (464, 45510), (480, 43993), (492, 42920), (555, 38048), (580, 36408), (592, 35670), (615, 34336), (656, 32190), (696, 30340), (740, 28536), (820, 25752), (870, 24272), (888, 23780), (928, 22755), (984, 21460), (1073, 19680), (1110, 19024), (1160, 18204), (1184, 17835), (1189, 17760), (1230, 17168), (1312, 16095), (1392, 15170), (1480, 14268), (1517, 13920), (1640, 12876), (1740, 12136), (1776, 11890), (1968, 10730), (2146, 9840), (2220, 9512), (2320, 9102), (2378, 8880), (2460, 8584), (2784, 7585), (2960, 7134), (3034, 6960), (3219, 6560), (3280, 6438), (3480, 6068), (3552, 5945), (3567, 5920), (3936, 5365), (4292, 4920), (4440, 4756), (4551, 4640)]