21550871447

素因数分解:

$7^3\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{5153}}^1$

素因数の和:5400

約数の個数: 32

約数和(自身を含む): 25605072000

約数和(自身を除く): 4054200553

約数列:

[1, 7, 49, 89, 137, 343, 623, 959, 4361, 5153, 6713, 12193, 30527, 36071, 46991, 85351, 252497, 458617, 597457, 705961, 1767479, 3210319, 4182199, 4941727, 22472233, 34592089, 62830529, 157305631, 242144623, 439813703, 3078695921, 21550871447]

約数ペア:

[(1, 21550871447), (7, 3078695921), (49, 439813703), (89, 242144623), (137, 157305631), (343, 62830529), (623, 34592089), (959, 22472233), (4361, 4941727), (5153, 4182199), (6713, 3210319), (12193, 1767479), (30527, 705961), (36071, 597457), (46991, 458617), (85351, 252497)]