21923880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 128

約数和(自身を含む): 76049280

約数和(自身を除く): 54125400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 977, 1020, 1122, 1320, 1496, 1870, 1954, 2040, 2244, 2805, 2931, 3740, 3908, 4488, 4885, 5610, 5862, 7480, 7816, 9770, 10747, 11220, 11724, 14655, 16609, 19540, 21494, 22440, 23448, 29310, 32241, 33218, 39080, 42988, 49827, 53735, 58620, 64482, 66436, 83045, 85976, 99654, 107470, 117240, 128964, 132872, 161205, 166090, 182699, 199308, 214940, 249135, 257928, 322410, 332180, 365398, 398616, 429880, 498270, 548097, 644820, 664360, 730796, 913495, 996540, 1096194, 1289640, 1461592, 1826990, 1993080, 2192388, 2740485, 3653980, 4384776, 5480970, 7307960, 10961940, 21923880]

約数ペア:

[(1, 21923880), (2, 10961940), (3, 7307960), (4, 5480970), (5, 4384776), (6, 3653980), (8, 2740485), (10, 2192388), (11, 1993080), (12, 1826990), (15, 1461592), (17, 1289640), (20, 1096194), (22, 996540), (24, 913495), (30, 730796), (33, 664360), (34, 644820), (40, 548097), (44, 498270), (51, 429880), (55, 398616), (60, 365398), (66, 332180), (68, 322410), (85, 257928), (88, 249135), (102, 214940), (110, 199308), (120, 182699), (132, 166090), (136, 161205), (165, 132872), (170, 128964), (187, 117240), (204, 107470), (220, 99654), (255, 85976), (264, 83045), (330, 66436), (340, 64482), (374, 58620), (408, 53735), (440, 49827), (510, 42988), (561, 39080), (660, 33218), (680, 32241), (748, 29310), (935, 23448), (977, 22440), (1020, 21494), (1122, 19540), (1320, 16609), (1496, 14655), (1870, 11724), (1954, 11220), (2040, 10747), (2244, 9770), (2805, 7816), (2931, 7480), (3740, 5862), (3908, 5610), (4488, 4885)]