21567052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 21897908

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 83, 166, 247, 263, 332, 494, 526, 988, 1052, 1079, 1577, 2158, 3154, 3419, 4316, 4997, 6308, 6838, 9994, 13676, 19988, 20501, 21829, 41002, 43658, 64961, 82004, 87316, 129922, 259844, 283777, 414751, 567554, 829502, 1135108, 1659004, 5391763, 10783526, 21567052]

約数ペア:

[(1, 21567052), (2, 10783526), (4, 5391763), (13, 1659004), (19, 1135108), (26, 829502), (38, 567554), (52, 414751), (76, 283777), (83, 259844), (166, 129922), (247, 87316), (263, 82004), (332, 64961), (494, 43658), (526, 41002), (988, 21829), (1052, 20501), (1079, 19988), (1577, 13676), (2158, 9994), (3154, 6838), (3419, 6308), (4316, 4997)]