21259986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10391}}^1$

素因数の和:10438

約数の個数: 32

約数和(自身を含む): 47886336

約数和(自身を除く): 26626350

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 10391, 20782, 31173, 62346, 114301, 228602, 322121, 342903, 644242, 685806, 966363, 1932726, 3543331, 7086662, 10629993, 21259986]

約数ペア:

[(1, 21259986), (2, 10629993), (3, 7086662), (6, 3543331), (11, 1932726), (22, 966363), (31, 685806), (33, 644242), (62, 342903), (66, 322121), (93, 228602), (186, 114301), (341, 62346), (682, 31173), (1023, 20782), (2046, 10391)]