21830512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 46818432

約数和(自身を除く): 24987920

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 1747, 3124, 3494, 6248, 6988, 12496, 13976, 19217, 27952, 38434, 76868, 124037, 153736, 248074, 307472, 496148, 992296, 1364407, 1984592, 2728814, 5457628, 10915256, 21830512]

約数ペア:

[(1, 21830512), (2, 10915256), (4, 5457628), (8, 2728814), (11, 1984592), (16, 1364407), (22, 992296), (44, 496148), (71, 307472), (88, 248074), (142, 153736), (176, 124037), (284, 76868), (568, 38434), (781, 27952), (1136, 19217), (1562, 13976), (1747, 12496), (3124, 6988), (3494, 6248)]