21571004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3119}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 27350596

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3119, 3458, 6238, 6916, 12476, 21833, 40547, 43666, 59261, 81094, 87332, 118522, 162188, 237044, 283829, 414827, 567658, 770393, 829654, 1135316, 1540786, 1659308, 3081572, 5392751, 10785502, 21571004]

約数ペア:

[(1, 21571004), (2, 10785502), (4, 5392751), (7, 3081572), (13, 1659308), (14, 1540786), (19, 1135316), (26, 829654), (28, 770393), (38, 567658), (52, 414827), (76, 283829), (91, 237044), (133, 162188), (182, 118522), (247, 87332), (266, 81094), (364, 59261), (494, 43666), (532, 40547), (988, 21833), (1729, 12476), (3119, 6916), (3458, 6238)]