2021040350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{186271}}^1$

素因数の和:186321

約数の個数: 48

約数和(自身を含む): 4434763776

約数和(自身を除く): 2413723426

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 10850, 186271, 372542, 931355, 1303897, 1862710, 2607794, 4656775, 5774401, 6519485, 9313550, 11548802, 13038970, 28872005, 32597425, 40420807, 57744010, 65194850, 80841614, 144360025, 202104035, 288720050, 404208070, 1010520175, 2021040350]

約数ペア:

[(1, 2021040350), (2, 1010520175), (5, 404208070), (7, 288720050), (10, 202104035), (14, 144360025), (25, 80841614), (31, 65194850), (35, 57744010), (50, 40420807), (62, 32597425), (70, 28872005), (155, 13038970), (175, 11548802), (217, 9313550), (310, 6519485), (350, 5774401), (434, 4656775), (775, 2607794), (1085, 1862710), (1550, 1303897), (2170, 931355), (5425, 372542), (10850, 186271)]