21819840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 224

約数和(自身を含む): 84271104

約数和(自身を除く): 62451264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 191, 192, 204, 210, 224, 238, 240, 255, 272, 280, 320, 336, 340, 357, 382, 408, 420, 448, 476, 480, 510, 544, 560, 573, 595, 672, 680, 714, 764, 816, 840, 952, 955, 960, 1020, 1088, 1120, 1146, 1190, 1337, 1344, 1360, 1428, 1528, 1632, 1680, 1785, 1904, 1910, 2040, 2240, 2292, 2380, 2674, 2720, 2856, 2865, 3056, 3247, 3264, 3360, 3570, 3808, 3820, 4011, 4080, 4584, 4760, 5348, 5440, 5712, 5730, 6112, 6494, 6685, 6720, 7140, 7616, 7640, 8022, 8160, 9168, 9520, 9741, 10696, 11424, 11460, 12224, 12988, 13370, 14280, 15280, 16044, 16235, 16320, 18336, 19040, 19482, 20055, 21392, 22729, 22848, 22920, 25976, 26740, 28560, 30560, 32088, 32470, 36672, 38080, 38964, 40110, 42784, 45458, 45840, 48705, 51952, 53480, 57120, 61120, 64176, 64940, 68187, 77928, 80220, 85568, 90916, 91680, 97410, 103904, 106960, 113645, 114240, 128352, 129880, 136374, 155856, 160440, 181832, 183360, 194820, 207808, 213920, 227290, 256704, 259760, 272748, 311712, 320880, 340935, 363664, 389640, 427840, 454580, 519520, 545496, 623424, 641760, 681870, 727328, 779280, 909160, 1039040, 1090992, 1283520, 1363740, 1454656, 1558560, 1818320, 2181984, 2727480, 3117120, 3636640, 4363968, 5454960, 7273280, 10909920, 21819840]

約数ペア:

[(1, 21819840), (2, 10909920), (3, 7273280), (4, 5454960), (5, 4363968), (6, 3636640), (7, 3117120), (8, 2727480), (10, 2181984), (12, 1818320), (14, 1558560), (15, 1454656), (16, 1363740), (17, 1283520), (20, 1090992), (21, 1039040), (24, 909160), (28, 779280), (30, 727328), (32, 681870), (34, 641760), (35, 623424), (40, 545496), (42, 519520), (48, 454580), (51, 427840), (56, 389640), (60, 363664), (64, 340935), (68, 320880), (70, 311712), (80, 272748), (84, 259760), (85, 256704), (96, 227290), (102, 213920), (105, 207808), (112, 194820), (119, 183360), (120, 181832), (136, 160440), (140, 155856), (160, 136374), (168, 129880), (170, 128352), (191, 114240), (192, 113645), (204, 106960), (210, 103904), (224, 97410), (238, 91680), (240, 90916), (255, 85568), (272, 80220), (280, 77928), (320, 68187), (336, 64940), (340, 64176), (357, 61120), (382, 57120), (408, 53480), (420, 51952), (448, 48705), (476, 45840), (480, 45458), (510, 42784), (544, 40110), (560, 38964), (573, 38080), (595, 36672), (672, 32470), (680, 32088), (714, 30560), (764, 28560), (816, 26740), (840, 25976), (952, 22920), (955, 22848), (960, 22729), (1020, 21392), (1088, 20055), (1120, 19482), (1146, 19040), (1190, 18336), (1337, 16320), (1344, 16235), (1360, 16044), (1428, 15280), (1528, 14280), (1632, 13370), (1680, 12988), (1785, 12224), (1904, 11460), (1910, 11424), (2040, 10696), (2240, 9741), (2292, 9520), (2380, 9168), (2674, 8160), (2720, 8022), (2856, 7640), (2865, 7616), (3056, 7140), (3247, 6720), (3264, 6685), (3360, 6494), (3570, 6112), (3808, 5730), (3820, 5712), (4011, 5440), (4080, 5348), (4584, 4760)]