21250068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 41455596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 84, 92, 102, 119, 138, 161, 204, 238, 276, 322, 357, 391, 476, 483, 644, 647, 714, 782, 966, 1173, 1294, 1428, 1564, 1932, 1941, 2346, 2588, 2737, 3882, 4529, 4692, 5474, 7764, 8211, 9058, 10948, 10999, 13587, 14881, 16422, 18116, 21998, 27174, 29762, 32844, 32997, 43996, 44643, 54348, 59524, 65994, 76993, 89286, 104167, 131988, 153986, 178572, 208334, 230979, 252977, 307972, 312501, 416668, 461958, 505954, 625002, 758931, 923916, 1011908, 1250004, 1517862, 1770839, 3035724, 3541678, 5312517, 7083356, 10625034, 21250068]

約数ペア:

[(1, 21250068), (2, 10625034), (3, 7083356), (4, 5312517), (6, 3541678), (7, 3035724), (12, 1770839), (14, 1517862), (17, 1250004), (21, 1011908), (23, 923916), (28, 758931), (34, 625002), (42, 505954), (46, 461958), (51, 416668), (68, 312501), (69, 307972), (84, 252977), (92, 230979), (102, 208334), (119, 178572), (138, 153986), (161, 131988), (204, 104167), (238, 89286), (276, 76993), (322, 65994), (357, 59524), (391, 54348), (476, 44643), (483, 43996), (644, 32997), (647, 32844), (714, 29762), (782, 27174), (966, 21998), (1173, 18116), (1294, 16422), (1428, 14881), (1564, 13587), (1932, 10999), (1941, 10948), (2346, 9058), (2588, 8211), (2737, 7764), (3882, 5474), (4529, 4692)]