21070070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 45390240

約数和(自身を除く): 24320170

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 529, 569, 805, 1058, 1138, 1610, 2645, 2845, 3703, 3983, 5290, 5690, 7406, 7966, 13087, 18515, 19915, 26174, 37030, 39830, 65435, 91609, 130870, 183218, 301001, 458045, 602002, 916090, 1505005, 2107007, 3010010, 4214014, 10535035, 21070070]

約数ペア:

[(1, 21070070), (2, 10535035), (5, 4214014), (7, 3010010), (10, 2107007), (14, 1505005), (23, 916090), (35, 602002), (46, 458045), (70, 301001), (115, 183218), (161, 130870), (230, 91609), (322, 65435), (529, 39830), (569, 37030), (805, 26174), (1058, 19915), (1138, 18515), (1610, 13087), (2645, 7966), (2845, 7406), (3703, 5690), (3983, 5290)]