21375368

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 48153600

約数和(自身を除く): 26778232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 1759, 3038, 3518, 6076, 7036, 12152, 12313, 14072, 24626, 49252, 54529, 86191, 98504, 109058, 172382, 218116, 344764, 381703, 436232, 689528, 763406, 1526812, 2671921, 3053624, 5343842, 10687684, 21375368]

約数ペア:

[(1, 21375368), (2, 10687684), (4, 5343842), (7, 3053624), (8, 2671921), (14, 1526812), (28, 763406), (31, 689528), (49, 436232), (56, 381703), (62, 344764), (98, 218116), (124, 172382), (196, 109058), (217, 98504), (248, 86191), (392, 54529), (434, 49252), (868, 24626), (1519, 14072), (1736, 12313), (1759, 12152), (3038, 7036), (3518, 6076)]