21080006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14171194

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 271, 437, 542, 874, 1691, 2047, 3382, 4094, 5149, 6233, 10298, 12466, 24119, 38893, 48238, 77786, 118427, 236854, 458261, 554737, 916522, 1109474, 10540003, 21080006]

約数ペア:

[(1, 21080006), (2, 10540003), (19, 1109474), (23, 916522), (38, 554737), (46, 458261), (89, 236854), (178, 118427), (271, 77786), (437, 48238), (542, 38893), (874, 24119), (1691, 12466), (2047, 10298), (3382, 6233), (4094, 5149)]