21251496

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1063}}^1$

素因数の和:1103

約数の個数: 96

約数和(自身を含む): 65499840

約数和(自身を除く): 44248344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 1063, 1176, 1428, 1666, 2126, 2499, 2856, 3189, 3332, 4252, 4998, 6378, 6664, 7441, 8504, 9996, 12756, 14882, 18071, 19992, 22323, 25512, 29764, 36142, 44646, 52087, 54213, 59528, 72284, 89292, 104174, 108426, 126497, 144568, 156261, 178584, 208348, 216852, 252994, 312522, 379491, 416696, 433704, 505988, 625044, 758982, 885479, 1011976, 1250088, 1517964, 1770958, 2656437, 3035928, 3541916, 5312874, 7083832, 10625748, 21251496]

約数ペア:

[(1, 21251496), (2, 10625748), (3, 7083832), (4, 5312874), (6, 3541916), (7, 3035928), (8, 2656437), (12, 1770958), (14, 1517964), (17, 1250088), (21, 1011976), (24, 885479), (28, 758982), (34, 625044), (42, 505988), (49, 433704), (51, 416696), (56, 379491), (68, 312522), (84, 252994), (98, 216852), (102, 208348), (119, 178584), (136, 156261), (147, 144568), (168, 126497), (196, 108426), (204, 104174), (238, 89292), (294, 72284), (357, 59528), (392, 54213), (408, 52087), (476, 44646), (588, 36142), (714, 29764), (833, 25512), (952, 22323), (1063, 19992), (1176, 18071), (1428, 14882), (1666, 12756), (2126, 9996), (2499, 8504), (2856, 7441), (3189, 6664), (3332, 6378), (4252, 4998)]