21942976

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 26337344

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 142, 176, 284, 352, 439, 568, 704, 781, 878, 1136, 1562, 1756, 2272, 3124, 3512, 4544, 4829, 6248, 7024, 9658, 12496, 14048, 19316, 24992, 28096, 31169, 38632, 49984, 62338, 77264, 124676, 154528, 249352, 309056, 342859, 498704, 685718, 997408, 1371436, 1994816, 2742872, 5485744, 10971488, 21942976]

約数ペア:

[(1, 21942976), (2, 10971488), (4, 5485744), (8, 2742872), (11, 1994816), (16, 1371436), (22, 997408), (32, 685718), (44, 498704), (64, 342859), (71, 309056), (88, 249352), (142, 154528), (176, 124676), (284, 77264), (352, 62338), (439, 49984), (568, 38632), (704, 31169), (781, 28096), (878, 24992), (1136, 19316), (1562, 14048), (1756, 12496), (2272, 9658), (3124, 7024), (3512, 6248), (4544, 4829)]