21022904

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4523}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 24579016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4523, 4648, 9046, 18092, 31661, 36184, 63322, 126644, 253288, 375409, 750818, 1501636, 2627863, 3003272, 5255726, 10511452, 21022904]

約数ペア:

[(1, 21022904), (2, 10511452), (4, 5255726), (7, 3003272), (8, 2627863), (14, 1501636), (28, 750818), (56, 375409), (83, 253288), (166, 126644), (332, 63322), (581, 36184), (664, 31661), (1162, 18092), (2324, 9046), (4523, 4648)]