21593520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 160

約数和(自身を含む): 80203200

約数和(自身を除く): 58609680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 769, 780, 936, 1040, 1080, 1170, 1404, 1538, 1560, 1755, 1872, 2160, 2307, 2340, 2808, 3076, 3120, 3510, 3845, 4614, 4680, 5616, 6152, 6921, 7020, 7690, 9228, 9360, 9997, 11535, 12304, 13842, 14040, 15380, 18456, 19994, 20763, 23070, 27684, 28080, 29991, 30760, 34605, 36912, 39988, 41526, 46140, 49985, 55368, 59982, 61520, 69210, 79976, 83052, 89973, 92280, 99970, 103815, 110736, 119964, 138420, 149955, 159952, 166104, 179946, 184560, 199940, 207630, 239928, 269919, 276840, 299910, 332208, 359892, 399880, 415260, 449865, 479856, 539838, 553680, 599820, 719784, 799760, 830520, 899730, 1079676, 1199640, 1349595, 1439568, 1661040, 1799460, 2159352, 2399280, 2699190, 3598920, 4318704, 5398380, 7197840, 10796760, 21593520]

約数ペア:

[(1, 21593520), (2, 10796760), (3, 7197840), (4, 5398380), (5, 4318704), (6, 3598920), (8, 2699190), (9, 2399280), (10, 2159352), (12, 1799460), (13, 1661040), (15, 1439568), (16, 1349595), (18, 1199640), (20, 1079676), (24, 899730), (26, 830520), (27, 799760), (30, 719784), (36, 599820), (39, 553680), (40, 539838), (45, 479856), (48, 449865), (52, 415260), (54, 399880), (60, 359892), (65, 332208), (72, 299910), (78, 276840), (80, 269919), (90, 239928), (104, 207630), (108, 199940), (117, 184560), (120, 179946), (130, 166104), (135, 159952), (144, 149955), (156, 138420), (180, 119964), (195, 110736), (208, 103815), (216, 99970), (234, 92280), (240, 89973), (260, 83052), (270, 79976), (312, 69210), (351, 61520), (360, 59982), (390, 55368), (432, 49985), (468, 46140), (520, 41526), (540, 39988), (585, 36912), (624, 34605), (702, 30760), (720, 29991), (769, 28080), (780, 27684), (936, 23070), (1040, 20763), (1080, 19994), (1170, 18456), (1404, 15380), (1538, 14040), (1560, 13842), (1755, 12304), (1872, 11535), (2160, 9997), (2307, 9360), (2340, 9228), (2808, 7690), (3076, 7020), (3120, 6921), (3510, 6152), (3845, 5616), (4614, 4680)]