2100028100

素因数分解:

$2^2\times 5^2\times {\mathrm{991}}^1\times {\mathrm{21191}}^1$

素因数の和:22196

約数の個数: 36

約数和(自身を含む): 4561874688

約数和(自身を除く): 2461846588

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 991, 1982, 3964, 4955, 9910, 19820, 21191, 24775, 42382, 49550, 84764, 99100, 105955, 211910, 423820, 529775, 1059550, 2119100, 21000281, 42000562, 84001124, 105001405, 210002810, 420005620, 525007025, 1050014050, 2100028100]

約数ペア:

[(1, 2100028100), (2, 1050014050), (4, 525007025), (5, 420005620), (10, 210002810), (20, 105001405), (25, 84001124), (50, 42000562), (100, 21000281), (991, 2119100), (1982, 1059550), (3964, 529775), (4955, 423820), (9910, 211910), (19820, 105955), (21191, 99100), (24775, 84764), (42382, 49550)]